{"id":31541,"date":"2024-02-29T17:34:59","date_gmt":"2024-02-29T16:34:59","guid":{"rendered":"https:\/\/www.dbi-services.com\/blog\/?p=31541"},"modified":"2024-02-29T17:35:02","modified_gmt":"2024-02-29T16:35:02","slug":"migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb","status":"publish","type":"post","link":"https:\/\/www.dbi-services.com\/blog\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\/","title":{"rendered":"Migration from Non-CDB to Multitenant : CDB is using local undo, but no undo tablespace found in the PDB"},"content":{"rendered":"\n<p>During a past migration test from on-premises to ExaCC, I faced a pdb violation, stating, <code>CDB is using local undo, but no undo tablespace found in the PDB<\/code>, after having run <code>noncdb_to_pdb.sql<\/code> script.<\/p>\n\n\n<a class=\"wp-block-read-more\" href=\"https:\/\/www.dbi-services.com\/blog\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\/\" target=\"_self\">Read more<span class=\"screen-reader-text\">: Migration from Non-CDB to Multitenant : CDB is using local undo, but no undo tablespace found in the PDB<\/span><\/a>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-explanation\">Explanation<\/h2>\n\n\n\n<p>The problem comes from the fact that the non-cdb source is a single instance Database (<code>cluster_database=false<\/code>), which is converted to a PDB hosted in a RAC CDB, therefore having 2 instances for the PDB, but there is only one UNDO tablespace. Please see below how to quickly resolve this problem.<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1]\">\nSQL&gt; select status, message from pdb_plug_in_violations;\n\nSTATUS    MESSAGE\n--------- ------------------------------------------------------------------------------------------------------------------------\nPENDING   CDB is using local undo, but no undo tablespace found in the PDB.\n\n1 rows selected.\n<\/pre>\n<\/br>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-solution\">Solution<\/h2>\n\n\n\n<p>I first check, and confirmed that the CDB$ROOT was set with local undo enabled. This would mean that each container (PDB) will use their own UNDO.<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1,7]\">\nSQL&gt; show con_name\n\nCON_NAME\n------------------------------\nCDB$ROOT\n\nSQL&gt; select property_name, property_value\n  2  from   database_properties\n  3  where  property_name = 'LOCAL_UNDO_ENABLED';\n\nPROPERTY_NAME                  PROPERTY_VALUE\n------------------------------ ------------------------------\nLOCAL_UNDO_ENABLED             TRUE\n<\/pre>\n<\/br>\n\n\n\n<p>This CDB is a RAC database, with 2 nodes, so each PDB should have 2 UNDO tablespace.<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1]\">\nSQL&gt; select a.con_id, b.name, tablespace_name\n  2  from   cdb_tablespaces a, v$pdbs b\n  3  where  a.con_id=b.con_id and contents = 'UNDO'\n  4  order by con_id;\n\n    CON_ID NAME                      TABLESPACE_NAME\n---------- ------------------------- ------------------------------\n         3 PDB1           UNDOTBS2\n         3 PDB1           UNDOTBS1\n         4 PDB2           UNDO_2\n         4 PDB2           UNDOTBS1\n         5 PDB3           UNDOTBS1\n<\/pre>\n<\/br>\n\n\n\n<p>This is what we can see for PDB1 and PDB2. But PDB3 is only having one UNDO tablespace.<\/p>\n\n\n\n<p>This is what we can confirm, connecting to the PDB3 and listing tablespaces.<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1,5]\">\nSQL&gt; alter session set container=PDB3;\n\nSession altered.\n\nSQL&gt; @\/u02\/app\/oracle\/local\/dmk_sql\/sql\/qdbstbssize.sql\n\nPL\/SQL procedure successfully completed.\n\n\n                             Nb      Extent Segment    Alloc.      Space        Max. Percent Block\nName                      files Type Mgmnt  Mgmnt    Size (GB)  Free (GB)  Size (GB)  used % size  Log Encrypt Compress\n------------------------- ----- ---- ------ ------- ---------- ---------- ---------- ------- ----- --- ------- --------\nAPP                           1 DATA LM-SYS MANUAL         .02        .02        .02    9.38 8 KB  YES YES     NO\nAPP1                          2 DATA LM-SYS AUTO         17.00      16.88      17.00     .68 8 KB  YES YES     NO\nAPP1_INDEX                    2 DATA LM-SYS AUTO         17.00      16.93      17.00     .41 8 KB  YES YES     NO\n...\nSYSAUX                        1 DATA LM-SYS AUTO          2.00        .89       2.00   55.71 8 KB  YES YES     NO\nSYSTEM                        1 DATA LM-SYS MANUAL        3.00       2.16       3.00   27.94 8 KB  YES YES     NO\nTEMP                          1 TEMP LM-UNI MANUAL         .49       2.44        .49 -399.00 8 KB  NO  YES     NO\nUNDOTBS1                      1 UNDO LM-SYS MANUAL        1.00        .52       1.00   47.83 8 KB  YES YES     NO\nUSERS                         1 DATA LM-SYS AUTO           .01        .01        .01   34.38 8 KB  YES YES     NO\n...\n                          -----                     ---------- ---------- ----------\nTOTAL                        19                         104.75      92.96     104.75\n\n16 rows selected.\n<\/pre>\n<\/br>\n\n\n\n<p>This is also confirmed checking undo_tablespace parameter for both instances.<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1]\">\nSQL&gt; select inst_id, name, value from gv$parameter where upper(name)='UNDO_TABLESPACE';\n\n   INST_ID NAME                      VALUE\n---------- ------------------------- ------------------------------------------------------------\n         1 undo_tablespace           UNDOTBS1\n         2 undo_tablespace\n<\/pre>\n<\/br>\n\n\n\n<p>Same for UNDO datafile.<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1]\">\nSQL&gt; select file_name from dba_data_files where tablespace_name like '%UNDO%';\n\nFILE_NAME\n------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\n+DATAC1\/CDB_NAME\/7314A6F9C85A0827E0538E08440AC21A\/DATAFILE\/undotbs1.536.1159283017\n\nSQL&gt;\n<\/pre>\n<\/br>\n\n\n\n<p>Still connected to PDB3, let&#8217;s create a new UNDO tablespace.<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1]\">\nSQL&gt; create undo tablespace UNDOTBS2 datafile '+DATAC1' size 1G;\n\nTablespace created.\n<\/pre>\n<\/br>\n\n\n\n<p>We have 2 UNDO datafiles now.<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1]\">\nSQL&gt;  select file_name from dba_data_files where tablespace_name like '%UNDO%';\n\nFILE_NAME\n----------------------------------------------------------------------------------------------------\n+DATAC1\/CDB_NAME\/7314A6F9C85A0827E0538E08440AC21A\/DATAFILE\/undotbs1.536.1159283017\n+DATAC1\/CDB_NAME\/7314A6F9C85A0827E0538E08440AC21A\/DATAFILE\/undotbs2.550.1159291013\n\nSQL&gt;\n<\/pre>\n<\/br>\n\n\n\n<p>We will assign the new UNDO tablespace to Instance 2.<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1]\">\nSQL&gt; alter system set undo_tablespace=UNDOTBS2 container=current sid='CDB_NAME2' scope=both;\n\nSystem altered.\n<\/pre>\n<\/br>\n\n\n\n\n<p>We can check UNDO_TABLESPACE parameter which is not reflecting the changes for the moment. <\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1]\">\nSQL&gt; select inst_id, name, value from gv$parameter where upper(name)='UNDO_TABLESPACE';\n\n   INST_ID NAME                      VALUE\n---------- ------------------------- ------------------------------------------------------------\n         2 undo_tablespace\n         1 undo_tablespace           UNDOTBS1\n<\/pre>\n<\/br>\n\n\n\n<p>I restarted the PDB3.<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1,5]\">\nSQL&gt; alter pluggable database PDB3 close instances=all;\n\nPluggable database altered.\n\nSQL&gt; alter pluggable database PDB3 open instances=all;\n\nPluggable database altered.\n<\/pre>\n<\/br>\n\n\n\n<p>And could check that now both instances have got an UNDO tablespace assigned.<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1]\">\nSQL&gt; select inst_id, name, value from gv$parameter where upper(name)='UNDO_TABLESPACE';\n\n   INST_ID NAME                      VALUE\n---------- ------------------------- ------------------------------------------------------------\n         1 undo_tablespace           UNDOTBS1\n         2 undo_tablespace           UNDOTBS2\n<\/pre>\n<\/br>\n\n\n\n<p>And I finally checked that the pdb violation is resolved.<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1]\">\nSQL&gt; select status, message from pdb_plug_in_violations;\n\nSTATUS    MESSAGE\n--------- ------------------------------------------------------------------------------------------------------------------------\nRESOLVED  CDB is using local undo, but no undo tablespace found in the PDB.\n\n1 rows selected.\n<\/pre>\n<\/br>\n","protected":false},"excerpt":{"rendered":"<p>During a past migration test from on-premises to ExaCC, I faced a pdb violation, stating, CDB is using local undo, but no undo tablespace found in the PDB, after having run noncdb_to_pdb.sql script. Explanation The problem comes from the fact that the non-cdb source is a single instance Database (cluster_database=false), which is converted to a [&hellip;]<\/p>\n","protected":false},"author":48,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[59],"tags":[],"type_dbi":[],"class_list":["post-31541","post","type-post","status-publish","format-standard","hentry","category-oracle"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Migration from Non-CDB to Multitenant : CDB is using local undo, but no undo tablespace found in the PDB - dbi Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dbi-services.com\/blog\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Migration from Non-CDB to Multitenant : CDB is using local undo, but no undo tablespace found in the PDB\" \/>\n<meta property=\"og:description\" content=\"During a past migration test from on-premises to ExaCC, I faced a pdb violation, stating, CDB is using local undo, but no undo tablespace found in the PDB, after having run noncdb_to_pdb.sql script. Explanation The problem comes from the fact that the non-cdb source is a single instance Database (cluster_database=false), which is converted to a [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.dbi-services.com\/blog\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\/\" \/>\n<meta property=\"og:site_name\" content=\"dbi Blog\" \/>\n<meta property=\"article:published_time\" content=\"2024-02-29T16:34:59+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-02-29T16:35:02+00:00\" \/>\n<meta name=\"author\" content=\"Marc Wagner\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Marc Wagner\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\\\/\"},\"author\":{\"name\":\"Marc Wagner\",\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/#\\\/schema\\\/person\\\/225d9884b8467ead9a872823acb14628\"},\"headline\":\"Migration from Non-CDB to Multitenant : CDB is using local undo, but no undo tablespace found in the PDB\",\"datePublished\":\"2024-02-29T16:34:59+00:00\",\"dateModified\":\"2024-02-29T16:35:02+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\\\/\"},\"wordCount\":242,\"commentCount\":0,\"articleSection\":[\"Oracle\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\\\/\",\"url\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\\\/\",\"name\":\"Migration from Non-CDB to Multitenant : CDB is using local undo, but no undo tablespace found in the PDB - dbi Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/#website\"},\"datePublished\":\"2024-02-29T16:34:59+00:00\",\"dateModified\":\"2024-02-29T16:35:02+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/#\\\/schema\\\/person\\\/225d9884b8467ead9a872823acb14628\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Migration from Non-CDB to Multitenant : CDB is using local undo, but no undo tablespace found in the PDB\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/\",\"name\":\"dbi Blog\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/#\\\/schema\\\/person\\\/225d9884b8467ead9a872823acb14628\",\"name\":\"Marc Wagner\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/a873cc6e7fbdbbcbdbcaf5dbded14ad9a77b2ec2c3e03b4d724ed33d35d5f328?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/a873cc6e7fbdbbcbdbcaf5dbded14ad9a77b2ec2c3e03b4d724ed33d35d5f328?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/a873cc6e7fbdbbcbdbcaf5dbded14ad9a77b2ec2c3e03b4d724ed33d35d5f328?s=96&d=mm&r=g\",\"caption\":\"Marc Wagner\"},\"url\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/author\\\/marc-wagner\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Migration from Non-CDB to Multitenant : CDB is using local undo, but no undo tablespace found in the PDB - dbi Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.dbi-services.com\/blog\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\/","og_locale":"en_US","og_type":"article","og_title":"Migration from Non-CDB to Multitenant : CDB is using local undo, but no undo tablespace found in the PDB","og_description":"During a past migration test from on-premises to ExaCC, I faced a pdb violation, stating, CDB is using local undo, but no undo tablespace found in the PDB, after having run noncdb_to_pdb.sql script. Explanation The problem comes from the fact that the non-cdb source is a single instance Database (cluster_database=false), which is converted to a [&hellip;]","og_url":"https:\/\/www.dbi-services.com\/blog\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\/","og_site_name":"dbi Blog","article_published_time":"2024-02-29T16:34:59+00:00","article_modified_time":"2024-02-29T16:35:02+00:00","author":"Marc Wagner","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Marc Wagner","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.dbi-services.com\/blog\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\/#article","isPartOf":{"@id":"https:\/\/www.dbi-services.com\/blog\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\/"},"author":{"name":"Marc Wagner","@id":"https:\/\/www.dbi-services.com\/blog\/#\/schema\/person\/225d9884b8467ead9a872823acb14628"},"headline":"Migration from Non-CDB to Multitenant : CDB is using local undo, but no undo tablespace found in the PDB","datePublished":"2024-02-29T16:34:59+00:00","dateModified":"2024-02-29T16:35:02+00:00","mainEntityOfPage":{"@id":"https:\/\/www.dbi-services.com\/blog\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\/"},"wordCount":242,"commentCount":0,"articleSection":["Oracle"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.dbi-services.com\/blog\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.dbi-services.com\/blog\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\/","url":"https:\/\/www.dbi-services.com\/blog\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\/","name":"Migration from Non-CDB to Multitenant : CDB is using local undo, but no undo tablespace found in the PDB - dbi Blog","isPartOf":{"@id":"https:\/\/www.dbi-services.com\/blog\/#website"},"datePublished":"2024-02-29T16:34:59+00:00","dateModified":"2024-02-29T16:35:02+00:00","author":{"@id":"https:\/\/www.dbi-services.com\/blog\/#\/schema\/person\/225d9884b8467ead9a872823acb14628"},"breadcrumb":{"@id":"https:\/\/www.dbi-services.com\/blog\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.dbi-services.com\/blog\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.dbi-services.com\/blog\/migration-from-non-cdb-to-multitenant-cdb-is-using-local-undo-but-no-undo-tablespace-found-in-the-pdb\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/www.dbi-services.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Migration from Non-CDB to Multitenant : CDB is using local undo, but no undo tablespace found in the PDB"}]},{"@type":"WebSite","@id":"https:\/\/www.dbi-services.com\/blog\/#website","url":"https:\/\/www.dbi-services.com\/blog\/","name":"dbi Blog","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.dbi-services.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/www.dbi-services.com\/blog\/#\/schema\/person\/225d9884b8467ead9a872823acb14628","name":"Marc Wagner","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/a873cc6e7fbdbbcbdbcaf5dbded14ad9a77b2ec2c3e03b4d724ed33d35d5f328?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/a873cc6e7fbdbbcbdbcaf5dbded14ad9a77b2ec2c3e03b4d724ed33d35d5f328?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/a873cc6e7fbdbbcbdbcaf5dbded14ad9a77b2ec2c3e03b4d724ed33d35d5f328?s=96&d=mm&r=g","caption":"Marc Wagner"},"url":"https:\/\/www.dbi-services.com\/blog\/author\/marc-wagner\/"}]}},"_links":{"self":[{"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/posts\/31541","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/users\/48"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/comments?post=31541"}],"version-history":[{"count":9,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/posts\/31541\/revisions"}],"predecessor-version":[{"id":31550,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/posts\/31541\/revisions\/31550"}],"wp:attachment":[{"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/media?parent=31541"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/categories?post=31541"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/tags?post=31541"},{"taxonomy":"type","embeddable":true,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/type_dbi?post=31541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}