{"id":115123,"date":"2025-11-24T06:52:09","date_gmt":"2025-11-24T06:52:09","guid":{"rendered":"https:\/\/www.dumpsbase.com\/freedumps\/?p=115123"},"modified":"2025-11-24T06:52:32","modified_gmt":"2025-11-24T06:52:32","slug":"reliable-postgresql-essentials-exam-dumps-v8-02-your-partner-for-enterprisedb-postgresql-essentials-certification-v13-exam-success","status":"publish","type":"post","link":"https:\/\/www.dumpsbase.com\/freedumps\/reliable-postgresql-essentials-exam-dumps-v8-02-your-partner-for-enterprisedb-postgresql-essentials-certification-v13-exam-success.html","title":{"rendered":"Reliable PostgreSQL Essentials Exam Dumps (V8.02): Your Partner for EnterpriseDB PostgreSQL Essentials Certification v13 Exam Success"},"content":{"rendered":"<p>The EnterpriseDB PostgreSQL Essentials certification is available to assess and certify that a database professional has the fundamental knowledge to maintain and manage a PostgreSQL server and related applications in a production environment. Currently, there are three available versions, including v16, v14, and v13. DumpsBase has reliable PostgreSQL Essentials exam dumps (V8.02) that are based the v13, empowering you to prepare effectively for your <a href=\"https:\/\/www.dumpsbase.com\/news\/PostgreSQL_Certification_Pass_PostgreSQL_Essentials_Exam_and_Enhance_Professional_Credibility_Job_Prospects.html\"><em><strong>EnterpriseDB<\/strong><\/em><\/a> PostgreSQL Essentials Certification v13 using the most up-to-date and verified exam questions. Crafted to reflect the real exam pattern, these PostgreSQL Essentials dumps (V8.02) are simplified for easy comprehension. Choose DumpsBase today. Designed with ease and authenticity in mind, these dumps help you prepare efficiently and reach your PostgreSQL Essentials certification objectives successfully.<\/p>\n<h2>Below are our EnterpriseDB <span style=\"background-color: #ccffcc;\"><em>PostgreSQL Essentials free dumps<\/em><\/span> for checking the quality:<\/h2>\n<script>\n\t  window.fbAsyncInit = function() {\n\t    FB.init({\n\t      appId            : '622169541470367',\n\t      autoLogAppEvents : true,\n\t      xfbml            : true,\n\t      version          : 'v3.1'\n\t    });\n\t  };\n\t\n\t  (function(d, s, id){\n\t     var js, fjs = d.getElementsByTagName(s)[0];\n\t     if (d.getElementById(id)) {return;}\n\t     js = d.createElement(s); js.id = id;\n\t     js.src = \"https:\/\/connect.facebook.net\/en_US\/sdk.js\";\n\t     fjs.parentNode.insertBefore(js, fjs);\n\t   }(document, 'script', 'facebook-jssdk'));\n\t<\/script><script type=\"text\/javascript\" >\ndocument.addEventListener(\"DOMContentLoaded\", function(event) { \nif(!window.jQuery) alert(\"The important jQuery library is not properly loaded in your site. Your WordPress theme is probably missing the essential wp_head() call. You can switch to another theme and you will see that the plugin works fine and this notice disappears. If you are still not sure what to do you can contact us for help.\");\n});\n<\/script>  \n  \n<div  id=\"watupro_quiz\" class=\"quiz-area single-page-quiz\">\n<p id=\"submittingExam11185\" style=\"display:none;text-align:center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dumpsbase.com\/freedumps\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\"><\/p>\n\n<div class=\"watupro-exam-description\" id=\"description-quiz-11185\"><\/div>\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-11185\"  enctype=\"multipart\/form-data\" >\n<div class='watu-question ' id='question-1' style=';'><div id='questionWrap-1'  class='   watupro-question-id-439946'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>1. <\/span>In PostgreSQL, what is the default size of a WAL segment file?<\/div><input type='hidden' name='question_id[]' id='qID_1' value='439946' \/><input type='hidden' id='answerType439946' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439946[]' id='answer-id-1702084' class='answer   answerof-439946 ' value='1702084'   \/><label for='answer-id-1702084' id='answer-label-1702084' class=' answer'><span>8MB<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439946[]' id='answer-id-1702085' class='answer   answerof-439946 ' value='1702085'   \/><label for='answer-id-1702085' id='answer-label-1702085' class=' answer'><span>16 MB<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439946[]' id='answer-id-1702086' class='answer   answerof-439946 ' value='1702086'   \/><label for='answer-id-1702086' id='answer-label-1702086' class=' answer'><span>32 MB<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439946[]' id='answer-id-1702087' class='answer   answerof-439946 ' value='1702087'   \/><label for='answer-id-1702087' id='answer-label-1702087' class=' answer'><span>64 MB<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-2' style=';'><div id='questionWrap-2'  class='   watupro-question-id-439947'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>2. <\/span>Which configuration file controls client authentication in PostgreSQL?<\/div><input type='hidden' name='question_id[]' id='qID_2' value='439947' \/><input type='hidden' id='answerType439947' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439947[]' id='answer-id-1702088' class='answer   answerof-439947 ' value='1702088'   \/><label for='answer-id-1702088' id='answer-label-1702088' class=' answer'><span>postgresql.conf<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439947[]' id='answer-id-1702089' class='answer   answerof-439947 ' value='1702089'   \/><label for='answer-id-1702089' id='answer-label-1702089' class=' answer'><span>pg_hba.conf<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439947[]' id='answer-id-1702090' class='answer   answerof-439947 ' value='1702090'   \/><label for='answer-id-1702090' id='answer-label-1702090' class=' answer'><span>pg_ident.conf<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439947[]' id='answer-id-1702091' class='answer   answerof-439947 ' value='1702091'   \/><label for='answer-id-1702091' id='answer-label-1702091' class=' answer'><span>auth.conf<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-3' style=';'><div id='questionWrap-3'  class='   watupro-question-id-439948'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>3. <\/span>You want to check the current value of the max_connections parameter. <br \/>\r<br>Which SQL command should you use?<\/div><input type='hidden' name='question_id[]' id='qID_3' value='439948' \/><input type='hidden' id='answerType439948' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439948[]' id='answer-id-1702092' class='answer   answerof-439948 ' value='1702092'   \/><label for='answer-id-1702092' id='answer-label-1702092' class=' answer'><span>SELECT max_connections;<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439948[]' id='answer-id-1702093' class='answer   answerof-439948 ' value='1702093'   \/><label for='answer-id-1702093' id='answer-label-1702093' class=' answer'><span>SHOW max_connections;<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439948[]' id='answer-id-1702094' class='answer   answerof-439948 ' value='1702094'   \/><label for='answer-id-1702094' id='answer-label-1702094' class=' answer'><span>GET max_connections;<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439948[]' id='answer-id-1702095' class='answer   answerof-439948 ' value='1702095'   \/><label for='answer-id-1702095' id='answer-label-1702095' class=' answer'><span>DISPLAY max_connections;<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-4' style=';'><div id='questionWrap-4'  class='   watupro-question-id-439949'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>4. <\/span>In PostgreSQL, which view provides information about currently running queries?<\/div><input type='hidden' name='question_id[]' id='qID_4' value='439949' \/><input type='hidden' id='answerType439949' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439949[]' id='answer-id-1702096' class='answer   answerof-439949 ' value='1702096'   \/><label for='answer-id-1702096' id='answer-label-1702096' class=' answer'><span>pg_stat_activity<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439949[]' id='answer-id-1702097' class='answer   answerof-439949 ' value='1702097'   \/><label for='answer-id-1702097' id='answer-label-1702097' class=' answer'><span>pg_current_queries<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439949[]' id='answer-id-1702098' class='answer   answerof-439949 ' value='1702098'   \/><label for='answer-id-1702098' id='answer-label-1702098' class=' answer'><span>pg_running_queries<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439949[]' id='answer-id-1702099' class='answer   answerof-439949 ' value='1702099'   \/><label for='answer-id-1702099' id='answer-label-1702099' class=' answer'><span>pg_active_sessions<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-5' style=';'><div id='questionWrap-5'  class='   watupro-question-id-439950'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>5. <\/span>Which psql command displays the command history?<\/div><input type='hidden' name='question_id[]' id='qID_5' value='439950' \/><input type='hidden' id='answerType439950' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439950[]' id='answer-id-1702100' class='answer   answerof-439950 ' value='1702100'   \/><label for='answer-id-1702100' id='answer-label-1702100' class=' answer'><span>h<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439950[]' id='answer-id-1702101' class='answer   answerof-439950 ' value='1702101'   \/><label for='answer-id-1702101' id='answer-label-1702101' class=' answer'><span>s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439950[]' id='answer-id-1702102' class='answer   answerof-439950 ' value='1702102'   \/><label for='answer-id-1702102' id='answer-label-1702102' class=' answer'><span>history<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439950[]' id='answer-id-1702103' class='answer   answerof-439950 ' value='1702103'   \/><label for='answer-id-1702103' id='answer-label-1702103' class=' answer'><span>log<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-6' style=';'><div id='questionWrap-6'  class='   watupro-question-id-439951'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>6. <\/span>Which psql meta-command lists all schemas in the current database?<\/div><input type='hidden' name='question_id[]' id='qID_6' value='439951' \/><input type='hidden' id='answerType439951' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439951[]' id='answer-id-1702104' class='answer   answerof-439951 ' value='1702104'   \/><label for='answer-id-1702104' id='answer-label-1702104' class=' answer'><span>ds<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439951[]' id='answer-id-1702105' class='answer   answerof-439951 ' value='1702105'   \/><label for='answer-id-1702105' id='answer-label-1702105' class=' answer'><span>dn<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439951[]' id='answer-id-1702106' class='answer   answerof-439951 ' value='1702106'   \/><label for='answer-id-1702106' id='answer-label-1702106' class=' answer'><span>schemas<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439951[]' id='answer-id-1702107' class='answer   answerof-439951 ' value='1702107'   \/><label for='answer-id-1702107' id='answer-label-1702107' class=' answer'><span>ls<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-7' style=';'><div id='questionWrap-7'  class='   watupro-question-id-439952'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>7. <\/span>Which pg_restore option allows you to drop database objects before recreating them?<\/div><input type='hidden' name='question_id[]' id='qID_7' value='439952' \/><input type='hidden' id='answerType439952' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439952[]' id='answer-id-1702108' class='answer   answerof-439952 ' value='1702108'   \/><label for='answer-id-1702108' id='answer-label-1702108' class=' answer'><span>-d<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439952[]' id='answer-id-1702109' class='answer   answerof-439952 ' value='1702109'   \/><label for='answer-id-1702109' id='answer-label-1702109' class=' answer'><span>-c or --clean<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439952[]' id='answer-id-1702110' class='answer   answerof-439952 ' value='1702110'   \/><label for='answer-id-1702110' id='answer-label-1702110' class=' answer'><span>-r<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439952[]' id='answer-id-1702111' class='answer   answerof-439952 ' value='1702111'   \/><label for='answer-id-1702111' id='answer-label-1702111' class=' answer'><span>--drop-all<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-8' style=';'><div id='questionWrap-8'  class='   watupro-question-id-439953'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>8. <\/span>Which parameter controls the amount of memory allocated for maintenance operations like VACUUM and CREATE INDEX?<\/div><input type='hidden' name='question_id[]' id='qID_8' value='439953' \/><input type='hidden' id='answerType439953' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439953[]' id='answer-id-1702112' class='answer   answerof-439953 ' value='1702112'   \/><label for='answer-id-1702112' id='answer-label-1702112' class=' answer'><span>work_mem<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439953[]' id='answer-id-1702113' class='answer   answerof-439953 ' value='1702113'   \/><label for='answer-id-1702113' id='answer-label-1702113' class=' answer'><span>shared_buffers<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439953[]' id='answer-id-1702114' class='answer   answerof-439953 ' value='1702114'   \/><label for='answer-id-1702114' id='answer-label-1702114' class=' answer'><span>maintenance_work_mem<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439953[]' id='answer-id-1702115' class='answer   answerof-439953 ' value='1702115'   \/><label for='answer-id-1702115' id='answer-label-1702115' class=' answer'><span>autovacuum_work_mem<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-9' style=';'><div id='questionWrap-9'  class='   watupro-question-id-439954'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>9. <\/span>Which psql meta-command displays the structure of a specific table including columns, types, and constraints?<\/div><input type='hidden' name='question_id[]' id='qID_9' value='439954' \/><input type='hidden' id='answerType439954' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439954[]' id='answer-id-1702116' class='answer   answerof-439954 ' value='1702116'   \/><label for='answer-id-1702116' id='answer-label-1702116' class=' answer'><span>d tablename<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439954[]' id='answer-id-1702117' class='answer   answerof-439954 ' value='1702117'   \/><label for='answer-id-1702117' id='answer-label-1702117' class=' answer'><span>dt tablename<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439954[]' id='answer-id-1702118' class='answer   answerof-439954 ' value='1702118'   \/><label for='answer-id-1702118' id='answer-label-1702118' class=' answer'><span>DESCRIBE tablename;<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439954[]' id='answer-id-1702119' class='answer   answerof-439954 ' value='1702119'   \/><label for='answer-id-1702119' id='answer-label-1702119' class=' answer'><span>SHOW TABLE tablename;<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-10' style=';'><div id='questionWrap-10'  class='   watupro-question-id-439955'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>10. <\/span>Which PostgreSQL configuration parameter controls the amount of memory used for sorting operations before writing to temporary disk files?<\/div><input type='hidden' name='question_id[]' id='qID_10' value='439955' \/><input type='hidden' id='answerType439955' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439955[]' id='answer-id-1702120' class='answer   answerof-439955 ' value='1702120'   \/><label for='answer-id-1702120' id='answer-label-1702120' class=' answer'><span>shared_buffers<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439955[]' id='answer-id-1702121' class='answer   answerof-439955 ' value='1702121'   \/><label for='answer-id-1702121' id='answer-label-1702121' class=' answer'><span>work_mem<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439955[]' id='answer-id-1702122' class='answer   answerof-439955 ' value='1702122'   \/><label for='answer-id-1702122' id='answer-label-1702122' class=' answer'><span>maintenance_work_mem<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439955[]' id='answer-id-1702123' class='answer   answerof-439955 ' value='1702123'   \/><label for='answer-id-1702123' id='answer-label-1702123' class=' answer'><span>temp_buffers<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-11' style=';'><div id='questionWrap-11'  class='   watupro-question-id-439956'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>11. <\/span>You need to restore only the schema from a custom format backup file. <br \/>\r<br>Which pg_restore option should you use?<\/div><input type='hidden' name='question_id[]' id='qID_11' value='439956' \/><input type='hidden' id='answerType439956' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439956[]' id='answer-id-1702124' class='answer   answerof-439956 ' value='1702124'   \/><label for='answer-id-1702124' id='answer-label-1702124' class=' answer'><span>--data-only<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439956[]' id='answer-id-1702125' class='answer   answerof-439956 ' value='1702125'   \/><label for='answer-id-1702125' id='answer-label-1702125' class=' answer'><span>--schema-only<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439956[]' id='answer-id-1702126' class='answer   answerof-439956 ' value='1702126'   \/><label for='answer-id-1702126' id='answer-label-1702126' class=' answer'><span>-s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439956[]' id='answer-id-1702127' class='answer   answerof-439956 ' value='1702127'   \/><label for='answer-id-1702127' id='answer-label-1702127' class=' answer'><span>Both B and C<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-12' style=';'><div id='questionWrap-12'  class='   watupro-question-id-439957'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>12. <\/span>You want to view all available functions in the current database using psql. <br \/>\r<br>Which command should you use?<\/div><input type='hidden' name='question_id[]' id='qID_12' value='439957' \/><input type='hidden' id='answerType439957' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439957[]' id='answer-id-1702128' class='answer   answerof-439957 ' value='1702128'   \/><label for='answer-id-1702128' id='answer-label-1702128' class=' answer'><span>df<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439957[]' id='answer-id-1702129' class='answer   answerof-439957 ' value='1702129'   \/><label for='answer-id-1702129' id='answer-label-1702129' class=' answer'><span>f<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439957[]' id='answer-id-1702130' class='answer   answerof-439957 ' value='1702130'   \/><label for='answer-id-1702130' id='answer-label-1702130' class=' answer'><span>functions<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439957[]' id='answer-id-1702131' class='answer   answerof-439957 ' value='1702131'   \/><label for='answer-id-1702131' id='answer-label-1702131' class=' answer'><span>fn<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-13' style=';'><div id='questionWrap-13'  class='   watupro-question-id-439958'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>13. <\/span>In PostgreSQL 13, which command is used to switch your connection to a different database in psql?<\/div><input type='hidden' name='question_id[]' id='qID_13' value='439958' \/><input type='hidden' id='answerType439958' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439958[]' id='answer-id-1702132' class='answer   answerof-439958 ' value='1702132'   \/><label for='answer-id-1702132' id='answer-label-1702132' class=' answer'><span>connect dbname<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439958[]' id='answer-id-1702133' class='answer   answerof-439958 ' value='1702133'   \/><label for='answer-id-1702133' id='answer-label-1702133' class=' answer'><span>USE dbname;<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439958[]' id='answer-id-1702134' class='answer   answerof-439958 ' value='1702134'   \/><label for='answer-id-1702134' id='answer-label-1702134' class=' answer'><span>SWITCH dbname;<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439958[]' id='answer-id-1702135' class='answer   answerof-439958 ' value='1702135'   \/><label for='answer-id-1702135' id='answer-label-1702135' class=' answer'><span>SET DATABASE dbname;<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-14' style=';'><div id='questionWrap-14'  class='   watupro-question-id-439959'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>14. <\/span>Which command can be used to display all roles and their attributes in PostgreSQL using psql?<\/div><input type='hidden' name='question_id[]' id='qID_14' value='439959' \/><input type='hidden' id='answerType439959' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439959[]' id='answer-id-1702136' class='answer   answerof-439959 ' value='1702136'   \/><label for='answer-id-1702136' id='answer-label-1702136' class=' answer'><span>du<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439959[]' id='answer-id-1702137' class='answer   answerof-439959 ' value='1702137'   \/><label for='answer-id-1702137' id='answer-label-1702137' class=' answer'><span>dr<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439959[]' id='answer-id-1702138' class='answer   answerof-439959 ' value='1702138'   \/><label for='answer-id-1702138' id='answer-label-1702138' class=' answer'><span>LIST ROLES;<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439959[]' id='answer-id-1702139' class='answer   answerof-439959 ' value='1702139'   \/><label for='answer-id-1702139' id='answer-label-1702139' class=' answer'><span>SHOW ROLES;<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-15' style=';'><div id='questionWrap-15'  class='   watupro-question-id-439960'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>15. <\/span>Which pg_dump option allows you to dump only the data without schema definitions?<\/div><input type='hidden' name='question_id[]' id='qID_15' value='439960' \/><input type='hidden' id='answerType439960' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439960[]' id='answer-id-1702140' class='answer   answerof-439960 ' value='1702140'   \/><label for='answer-id-1702140' id='answer-label-1702140' class=' answer'><span>-d<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439960[]' id='answer-id-1702141' class='answer   answerof-439960 ' value='1702141'   \/><label for='answer-id-1702141' id='answer-label-1702141' class=' answer'><span>--data-only<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439960[]' id='answer-id-1702142' class='answer   answerof-439960 ' value='1702142'   \/><label for='answer-id-1702142' id='answer-label-1702142' class=' answer'><span>-D<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439960[]' id='answer-id-1702143' class='answer   answerof-439960 ' value='1702143'   \/><label for='answer-id-1702143' id='answer-label-1702143' class=' answer'><span>--no-schema<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-16' style=';'><div id='questionWrap-16'  class='   watupro-question-id-439961'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>16. <\/span>Which PostgreSQL backup utility can create backups in custom compressed format?<\/div><input type='hidden' name='question_id[]' id='qID_16' value='439961' \/><input type='hidden' id='answerType439961' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439961[]' id='answer-id-1702144' class='answer   answerof-439961 ' value='1702144'   \/><label for='answer-id-1702144' id='answer-label-1702144' class=' answer'><span>pg_dump with -Fc option<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439961[]' id='answer-id-1702145' class='answer   answerof-439961 ' value='1702145'   \/><label for='answer-id-1702145' id='answer-label-1702145' class=' answer'><span>pg_restore<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439961[]' id='answer-id-1702146' class='answer   answerof-439961 ' value='1702146'   \/><label for='answer-id-1702146' id='answer-label-1702146' class=' answer'><span>pg_basebackup<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439961[]' id='answer-id-1702147' class='answer   answerof-439961 ' value='1702147'   \/><label for='answer-id-1702147' id='answer-label-1702147' class=' answer'><span>psql<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-17' style=';'><div id='questionWrap-17'  class='   watupro-question-id-439962'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>17. <\/span>Which of the following commands in psql will execute SQL commands from a file?<\/div><input type='hidden' name='question_id[]' id='qID_17' value='439962' \/><input type='hidden' id='answerType439962' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439962[]' id='answer-id-1702148' class='answer   answerof-439962 ' value='1702148'   \/><label for='answer-id-1702148' id='answer-label-1702148' class=' answer'><span>i filename<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439962[]' id='answer-id-1702149' class='answer   answerof-439962 ' value='1702149'   \/><label for='answer-id-1702149' id='answer-label-1702149' class=' answer'><span>e filename<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439962[]' id='answer-id-1702150' class='answer   answerof-439962 ' value='1702150'   \/><label for='answer-id-1702150' id='answer-label-1702150' class=' answer'><span>f filename<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439962[]' id='answer-id-1702151' class='answer   answerof-439962 ' value='1702151'   \/><label for='answer-id-1702151' id='answer-label-1702151' class=' answer'><span>x filename<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-18' style=';'><div id='questionWrap-18'  class='   watupro-question-id-439963'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>18. <\/span>1.You are connected to a PostgreSQL database. After executing a complex query an error message is displayed. You want to edit and rerun the previously executed query. <br \/>\r<br>Which command can be used to edit the query buffer?<\/div><input type='hidden' name='question_id[]' id='qID_18' value='439963' \/><input type='hidden' id='answerType439963' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439963[]' id='answer-id-1702152' class='answer   answerof-439963 ' value='1702152'   \/><label for='answer-id-1702152' id='answer-label-1702152' class=' answer'><span>L<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439963[]' id='answer-id-1702153' class='answer   answerof-439963 ' value='1702153'   \/><label for='answer-id-1702153' id='answer-label-1702153' class=' answer'><span>R<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439963[]' id='answer-id-1702154' class='answer   answerof-439963 ' value='1702154'   \/><label for='answer-id-1702154' id='answer-label-1702154' class=' answer'><span>e<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439963[]' id='answer-id-1702155' class='answer   answerof-439963 ' value='1702155'   \/><label for='answer-id-1702155' id='answer-label-1702155' class=' answer'><span>e<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-19' style=';'><div id='questionWrap-19'  class='   watupro-question-id-439964'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>19. <\/span>What is the purpose of shared_buffers configuration parameter in PostgreSQL?<\/div><input type='hidden' name='question_id[]' id='qID_19' value='439964' \/><input type='hidden' id='answerType439964' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439964[]' id='answer-id-1702156' class='answer   answerof-439964 ' value='1702156'   \/><label for='answer-id-1702156' id='answer-label-1702156' class=' answer'><span>To set the amount of memory for sorting<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439964[]' id='answer-id-1702157' class='answer   answerof-439964 ' value='1702157'   \/><label for='answer-id-1702157' id='answer-label-1702157' class=' answer'><span>To determine memory for caching data from disk<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439964[]' id='answer-id-1702158' class='answer   answerof-439964 ' value='1702158'   \/><label for='answer-id-1702158' id='answer-label-1702158' class=' answer'><span>To control WAL buffer size<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439964[]' id='answer-id-1702159' class='answer   answerof-439964 ' value='1702159'   \/><label for='answer-id-1702159' id='answer-label-1702159' class=' answer'><span>To set connection pool size<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-20' style=';'><div id='questionWrap-20'  class='   watupro-question-id-439965'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>20. <\/span>In PostgreSQL 13, what is the difference between GENERATED ALWAYS AS IDENTITY and GENERATED BY DEFAULT AS IDENTITY?<\/div><input type='hidden' name='question_id[]' id='qID_20' value='439965' \/><input type='hidden' id='answerType439965' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439965[]' id='answer-id-1702160' class='answer   answerof-439965 ' value='1702160'   \/><label for='answer-id-1702160' id='answer-label-1702160' class=' answer'><span>ALWAYS prevents manual value insertion, BY DEFAULT allows it<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439965[]' id='answer-id-1702161' class='answer   answerof-439965 ' value='1702161'   \/><label for='answer-id-1702161' id='answer-label-1702161' class=' answer'><span>They are identical<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439965[]' id='answer-id-1702162' class='answer   answerof-439965 ' value='1702162'   \/><label for='answer-id-1702162' id='answer-label-1702162' class=' answer'><span>ALWAYS uses UUID, BY DEFAULT uses serial<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439965[]' id='answer-id-1702163' class='answer   answerof-439965 ' value='1702163'   \/><label for='answer-id-1702163' id='answer-label-1702163' class=' answer'><span>BY DEFAULT prevents manual insertion<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-21' style=';'><div id='questionWrap-21'  class='   watupro-question-id-439966'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>21. <\/span>You want to list all available databases in your PostgreSQL cluster using psql. <br \/>\r<br>Which command should you use?<\/div><input type='hidden' name='question_id[]' id='qID_21' value='439966' \/><input type='hidden' id='answerType439966' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439966[]' id='answer-id-1702164' class='answer   answerof-439966 ' value='1702164'   \/><label for='answer-id-1702164' id='answer-label-1702164' class=' answer'><span>list<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439966[]' id='answer-id-1702165' class='answer   answerof-439966 ' value='1702165'   \/><label for='answer-id-1702165' id='answer-label-1702165' class=' answer'><span>l<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439966[]' id='answer-id-1702166' class='answer   answerof-439966 ' value='1702166'   \/><label for='answer-id-1702166' id='answer-label-1702166' class=' answer'><span>SHOW DATABASES;<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439966[]' id='answer-id-1702167' class='answer   answerof-439966 ' value='1702167'   \/><label for='answer-id-1702167' id='answer-label-1702167' class=' answer'><span>SELECT databases();<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-22' style=';'><div id='questionWrap-22'  class='   watupro-question-id-439967'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>22. <\/span>Which command in psql toggles between aligned and unaligned output mode?<\/div><input type='hidden' name='question_id[]' id='qID_22' value='439967' \/><input type='hidden' id='answerType439967' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439967[]' id='answer-id-1702168' class='answer   answerof-439967 ' value='1702168'   \/><label for='answer-id-1702168' id='answer-label-1702168' class=' answer'><span>a<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439967[]' id='answer-id-1702169' class='answer   answerof-439967 ' value='1702169'   \/><label for='answer-id-1702169' id='answer-label-1702169' class=' answer'><span>t<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439967[]' id='answer-id-1702170' class='answer   answerof-439967 ' value='1702170'   \/><label for='answer-id-1702170' id='answer-label-1702170' class=' answer'><span>align<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439967[]' id='answer-id-1702171' class='answer   answerof-439967 ' value='1702171'   \/><label for='answer-id-1702171' id='answer-label-1702171' class=' answer'><span>format<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-23' style=';'><div id='questionWrap-23'  class='   watupro-question-id-439968'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>23. <\/span>In PostgreSQL, what does VACUUM do?<\/div><input type='hidden' name='question_id[]' id='qID_23' value='439968' \/><input type='hidden' id='answerType439968' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439968[]' id='answer-id-1702172' class='answer   answerof-439968 ' value='1702172'   \/><label for='answer-id-1702172' id='answer-label-1702172' class=' answer'><span>Compresses the database<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439968[]' id='answer-id-1702173' class='answer   answerof-439968 ' value='1702173'   \/><label for='answer-id-1702173' id='answer-label-1702173' class=' answer'><span>Reclaims storage occupied by dead tuples<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439968[]' id='answer-id-1702174' class='answer   answerof-439968 ' value='1702174'   \/><label for='answer-id-1702174' id='answer-label-1702174' class=' answer'><span>Creates database backups<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439968[]' id='answer-id-1702175' class='answer   answerof-439968 ' value='1702175'   \/><label for='answer-id-1702175' id='answer-label-1702175' class=' answer'><span>Optimizes query execution plans<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-24' style=';'><div id='questionWrap-24'  class='   watupro-question-id-439969'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>24. <\/span>In PostgreSQL, which system catalog stores information about databases?<\/div><input type='hidden' name='question_id[]' id='qID_24' value='439969' \/><input type='hidden' id='answerType439969' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439969[]' id='answer-id-1702176' class='answer   answerof-439969 ' value='1702176'   \/><label for='answer-id-1702176' id='answer-label-1702176' class=' answer'><span>pg_database<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439969[]' id='answer-id-1702177' class='answer   answerof-439969 ' value='1702177'   \/><label for='answer-id-1702177' id='answer-label-1702177' class=' answer'><span>pg_class<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439969[]' id='answer-id-1702178' class='answer   answerof-439969 ' value='1702178'   \/><label for='answer-id-1702178' id='answer-label-1702178' class=' answer'><span>pg_tables<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439969[]' id='answer-id-1702179' class='answer   answerof-439969 ' value='1702179'   \/><label for='answer-id-1702179' id='answer-label-1702179' class=' answer'><span>information_schema.databases<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-25' style=';'><div id='questionWrap-25'  class='   watupro-question-id-439970'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>25. <\/span>What is the purpose of the checkpoint_timeout configuration parameter in PostgreSQL?<\/div><input type='hidden' name='question_id[]' id='qID_25' value='439970' \/><input type='hidden' id='answerType439970' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439970[]' id='answer-id-1702180' class='answer   answerof-439970 ' value='1702180'   \/><label for='answer-id-1702180' id='answer-label-1702180' class=' answer'><span>To set the time limit for query execution<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439970[]' id='answer-id-1702181' class='answer   answerof-439970 ' value='1702181'   \/><label for='answer-id-1702181' id='answer-label-1702181' class=' answer'><span>To control the maximum time between automatic WAL checkpoints<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439970[]' id='answer-id-1702182' class='answer   answerof-439970 ' value='1702182'   \/><label for='answer-id-1702182' id='answer-label-1702182' class=' answer'><span>To define connection timeout<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439970[]' id='answer-id-1702183' class='answer   answerof-439970 ' value='1702183'   \/><label for='answer-id-1702183' id='answer-label-1702183' class=' answer'><span>To set backup timeout interval<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-26' style=';'><div id='questionWrap-26'  class='   watupro-question-id-439971'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>26. <\/span>SERIAL and IDENTITY columns can be used to add an auto-incrementing column in a Postgres table. <br \/>\r<br>Which of these two column types are SQL standard compliant?<\/div><input type='hidden' name='question_id[]' id='qID_26' value='439971' \/><input type='hidden' id='answerType439971' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439971[]' id='answer-id-1702184' class='answer   answerof-439971 ' value='1702184'   \/><label for='answer-id-1702184' id='answer-label-1702184' class=' answer'><span>Serial<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439971[]' id='answer-id-1702185' class='answer   answerof-439971 ' value='1702185'   \/><label for='answer-id-1702185' id='answer-label-1702185' class=' answer'><span>Identity<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439971[]' id='answer-id-1702186' class='answer   answerof-439971 ' value='1702186'   \/><label for='answer-id-1702186' id='answer-label-1702186' class=' answer'><span>None<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-27' style=';'><div id='questionWrap-27'  class='   watupro-question-id-439972'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>27. <\/span>You need to reload the PostgreSQL configuration without restarting the server. <br \/>\r<br>Which function should you use?<\/div><input type='hidden' name='question_id[]' id='qID_27' value='439972' \/><input type='hidden' id='answerType439972' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439972[]' id='answer-id-1702187' class='answer   answerof-439972 ' value='1702187'   \/><label for='answer-id-1702187' id='answer-label-1702187' class=' answer'><span>pg_restart_conf()<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439972[]' id='answer-id-1702188' class='answer   answerof-439972 ' value='1702188'   \/><label for='answer-id-1702188' id='answer-label-1702188' class=' answer'><span>pg_reload_conf()<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439972[]' id='answer-id-1702189' class='answer   answerof-439972 ' value='1702189'   \/><label for='answer-id-1702189' id='answer-label-1702189' class=' answer'><span>reload_configuration()<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439972[]' id='answer-id-1702190' class='answer   answerof-439972 ' value='1702190'   \/><label for='answer-id-1702190' id='answer-label-1702190' class=' answer'><span>refresh_config()<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-28' style=';'><div id='questionWrap-28'  class='   watupro-question-id-439973'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>28. <\/span>In PostgreSQL 13, which parameter must be set to enable WAL archiving for Point-in-Time Recovery?<\/div><input type='hidden' name='question_id[]' id='qID_28' value='439973' \/><input type='hidden' id='answerType439973' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439973[]' id='answer-id-1702191' class='answer   answerof-439973 ' value='1702191'   \/><label for='answer-id-1702191' id='answer-label-1702191' class=' answer'><span>wal_level must be set to replica or higher<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439973[]' id='answer-id-1702192' class='answer   answerof-439973 ' value='1702192'   \/><label for='answer-id-1702192' id='answer-label-1702192' class=' answer'><span>wal_archiving must be set to on<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439973[]' id='answer-id-1702193' class='answer   answerof-439973 ' value='1702193'   \/><label for='answer-id-1702193' id='answer-label-1702193' class=' answer'><span>archive_level must be set to full<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439973[]' id='answer-id-1702194' class='answer   answerof-439973 ' value='1702194'   \/><label for='answer-id-1702194' id='answer-label-1702194' class=' answer'><span>backup_mode must be set to archive<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-29' style=';'><div id='questionWrap-29'  class='   watupro-question-id-439974'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>29. <\/span>You are working as a Postgres DBA. Due to an increase in transactional load on your Postgres instance, the server is experiencing frequent checkpoints. You have decided to increase the WAL area size. You have also decided to upgrade your database instance to PostgreSQL 13. While initializing your database cluster in PostgreSQL 13, you have decided to increase the WAL segment size. <br \/>\r<br>Which of the following options can be used with the initdb command to set a custom WAL segment size?<\/div><input type='hidden' name='question_id[]' id='qID_29' value='439974' \/><input type='hidden' id='answerType439974' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439974[]' id='answer-id-1702195' class='answer   answerof-439974 ' value='1702195'   \/><label for='answer-id-1702195' id='answer-label-1702195' class=' answer'><span>=- waldir<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439974[]' id='answer-id-1702196' class='answer   answerof-439974 ' value='1702196'   \/><label for='answer-id-1702196' id='answer-label-1702196' class=' answer'><span>--wal-segsize<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439974[]' id='answer-id-1702197' class='answer   answerof-439974 ' value='1702197'   \/><label for='answer-id-1702197' id='answer-label-1702197' class=' answer'><span>-x<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439974[]' id='answer-id-1702198' class='answer   answerof-439974 ' value='1702198'   \/><label for='answer-id-1702198' id='answer-label-1702198' class=' answer'><span>No such option is available in PostgreSQL<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-30' style=';'><div id='questionWrap-30'  class='   watupro-question-id-439975'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>30. <\/span>You want to create a backup of all databases in a PostgreSQL cluster. <br \/>\r<br>Which utility should you use?<\/div><input type='hidden' name='question_id[]' id='qID_30' value='439975' \/><input type='hidden' id='answerType439975' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439975[]' id='answer-id-1702199' class='answer   answerof-439975 ' value='1702199'   \/><label for='answer-id-1702199' id='answer-label-1702199' class=' answer'><span>pg_dump<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439975[]' id='answer-id-1702200' class='answer   answerof-439975 ' value='1702200'   \/><label for='answer-id-1702200' id='answer-label-1702200' class=' answer'><span>pg_dumpall<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439975[]' id='answer-id-1702201' class='answer   answerof-439975 ' value='1702201'   \/><label for='answer-id-1702201' id='answer-label-1702201' class=' answer'><span>pg_backup<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-439975[]' id='answer-id-1702202' class='answer   answerof-439975 ' value='1702202'   \/><label for='answer-id-1702202' id='answer-label-1702202' class=' answer'><span>pg_clusterbackup<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div style='display:none' id='question-31'>\n\t<div class='question-content'>\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dumpsbase.com\/freedumps\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\" \/>&nbsp;Loading...\t<\/div>\n<\/div>\n\n<br \/>\n\t\n\t\t\t<div class=\"watupro_buttons flex \" id=\"watuPROButtons11185\" >\n\t\t  <div id=\"prev-question\" style=\"display:none;\"><input type=\"button\" value=\"&lt; 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   \t \n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>The EnterpriseDB PostgreSQL Essentials certification is available to assess and certify that a database professional has the fundamental knowledge to maintain and manage a PostgreSQL server and related applications in a production environment. Currently, there are three available versions, including v16, v14, and v13. DumpsBase has reliable PostgreSQL Essentials exam dumps (V8.02) that are based [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20394,20395],"tags":[20397,20396],"class_list":["post-115123","post","type-post","status-publish","format-standard","hentry","category-enterprisedb","category-postgresql","tag-enterprisedb-postgresql-essentials-certification-v13","tag-postgresql-essentials-certification"],"_links":{"self":[{"href":"https:\/\/www.dumpsbase.com\/freedumps\/wp-json\/wp\/v2\/posts\/115123","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dumpsbase.com\/freedumps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dumpsbase.com\/freedumps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dumpsbase.com\/freedumps\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dumpsbase.com\/freedumps\/wp-json\/wp\/v2\/comments?post=115123"}],"version-history":[{"count":2,"href":"https:\/\/www.dumpsbase.com\/freedumps\/wp-json\/wp\/v2\/posts\/115123\/revisions"}],"predecessor-version":[{"id":115125,"href":"https:\/\/www.dumpsbase.com\/freedumps\/wp-json\/wp\/v2\/posts\/115123\/revisions\/115125"}],"wp:attachment":[{"href":"https:\/\/www.dumpsbase.com\/freedumps\/wp-json\/wp\/v2\/media?parent=115123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dumpsbase.com\/freedumps\/wp-json\/wp\/v2\/categories?post=115123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dumpsbase.com\/freedumps\/wp-json\/wp\/v2\/tags?post=115123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}