Upgrade timezone pdb. To view this information, the query must be run by a common user whose current container is the root. SQL> startup upgrade; Note: By default, if time zone files need to be updated, then AutoUpgrade typically performs this task for you. ISSUE: Applied DSTv40 patch#3469179 and noticed that time zone of PDB is not updated. The fix introduces an event which allows you override this check and tell the scripts to which version it should upgrade the DST level. SQL> set serveroutput on SQL> exec DBMS_DST. Step 1: Data collectionStep 2: Download Latest OPatch and DSTV36 UPDATE PatchStep 3: Update OPatch versionStep 4: Apply DSTV36 UPDATE Patch to ORACLE HOME (Can be apply patch online)Step 5: Verify current TZ VersionStep 6: Verify latest TZ Version. Dec 16, 2020 · Ah ok, I was confused by this line in the changelog, “AutoUpgrade can upgrade and convert a non-CDB to a PDB in a new CDB in a single operation, or upgrade and then convert a Non-CDB database to a PDB in a pre-existing CDB” I would have assumed that if you create it beforehand it is pre-existing. Changes in 19c release. Dietrich Time Zone - DST Transportable 6 This morning I received a very reasonable question from a customer who has a time zone mismatch between source and target database. The large versions are designated as timezlrg_ version_number. 3. 66. (2) Install the 19c software. 2: Execute the pre-upgrade command: Execute the preupgrade tool from the source home (12c). Contributors: Frederick Alvarez, Mike Dietrich, Joseph Errede, Cindy Lim, Wei Lin , Byron Motta, Daniel Overby Hansen, Benjamin Upgrading to a new version of the time zone file may cause existing TIMESTAMP WITH TIME ZONE data to become stale. 2. Plug the earlier release PDB into the later release CDB. If I would like to test again, I need to repeat this action. Use AutoUpgrade for Oracle Database upgrades. Jul 30, 2019 · But the subsequent and necessary upgrade fails as the upgrade procedure does not upgrade the database when the database’s (or PDB’s) time zone version is higher than the file in the home. 2. Minimal downtime option (s): Oracle GoldenGate. In this article, we’ll perform an upgrade from 12cR2 Non container database to a 19c pluggable database using autoupgrade. 1 database to be created. • Use Inclusion or Exclusion Lists for PDB Upgrades If you want to upgrade a subset of earlier release PDBs, then use inclusion or exclusion lists to avoid reupgrading the CDB or PDBs that are at the new release level. Dietrich Best Practice Oracle Database 21c Oracle Database 23c Time Zone - DST 2. To upgrade, I chose to prepare the PDB for upgrade and unplug it form the 12. Mar 17, 2002 · One word, it seems the alter database statement doesn't work. Upgrade the Earlier Release PDB to a Later Release. My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts. SQL> startup upgrade; ORACLE instance started. Downtime: Upgrade, plugin, copy (optional) and noncdb_to_pdb. SQL> SQL> alter pluggable database PDBRAT close instances=all; Pluggable database altered. There are two types of Jun 13, 2019 · Let me explain the scenario, we have a CDB with 1 user PDB at 12c version and another CDB at 19c with no user PDB. or. If the Pre-Upgrade Information Tool instructs you to upgrade the time zone files after completing the database upgrade, then use the DBMS_DST PL/SQL package to upgrade the time zone file. 3. If the remote database is a PDB, the database link can point to the remote CDB using a common user, the PDB or an application container using a local or common user. Oracle Database 19C Timezone not updated in PDB after applying RDBMS DSTv40 Patch# 3469179. Unplug the earlier release PDB from the earlier release CDB. 0 [Release 12. However, if the database time zone is set to the absolute time zone offset, such as -07:00 , it returns -07:00 since it may not map to a unique Aug 6, 2014 · In an upgrade workshop in Melbourne earlier this year a DBA from Germany came by in one of the breaks explaining that he takes care on over 100 developer databases – and it would ease his life a lot if he could “hit” all of the databases at the same time with one patch set or PSU, or even upgrade them to a higher release. Step:19 Verify the timezone version of the upgraded database. pl) , and the database upgrade scripts dbupgrade and dbupgrade. . Using the newly provided DBMS_DST PL/SQL package, you can update the TIMESTAMP WITH TIME ZONE data transparently, with minimal manual procedures and system downtime. To perform the upgrade we might do the following. 1) Last updated on APRIL 17, 2023. After the upgrade is complete, the Results window opens. 6. There are two types of files associated with each time zone file: a large file, which contains all the time zones defined in the database, and a small file, which contains only the most commonly used time zones. 3 CDB, opened in upgrade mode and then upgrade. I explained and showed this already in detail here: Upgrade Testing – Online Clone a PDB to 19c; Of course, I can’t revert. The setup phase has these steps: It creates a new Amazon EC2 launch template version for the Auto Scaling group that's associated with your node group. TIMEZONE_VERSION_UPGRADE_ONLINE では、 DBMS_DST パッケージを使用してタイムゾーン・データをアップグレードする際に、データベースを通常モードで実行し続けることができます。. This document will focus on the exception case where a single PDB is ready to upgrade but other PDBs in the container database are not. sql to recompile the invalid objects. Jan 23, 2017 · We can see the database time zone has been changed. This blog is intended for Oracle DBA’s who are tasked with patching the database. This is optional, but good to check. CONN / AS SYSDBA SELECT dbtimezone FROM DUAL; DBTIMEZONE ----- Europe/London SQL> Pluggable Database (PDB) Level. Feb 16, 2015 · Multitenant : Upgrade a PDB using Unplug/Plugin Using the Database Upgrade Assistant (DBUA) against a container database (CDB) will upgrade all the associated pluggable databases (PDBs) also. 394 TIMEZONE_VERSION_UPGRADE_ONLINE. Downtime: Plugin, copy (optional), upgrade and noncdb_to_pdb. pl to start utlrp. For both databases: The parameter upgrade_node specifies the actual system host name ( nodename-1 ), and not to an alias assigned to the host name. At first, as a matter of fact, a PDB has a dictionary. All of this is documented here. Data Pump clearly tells here what the issue is: The export has been taken from a database with a higher time zone version. It updates the Auto Scaling group to use the latest launch template version. The Upgrade Results report also shows TIMEZONE_VERSION_UPGRADE_ONLINE enables you to keep the database running in normal mode while upgrading time zone data using the DBMS_DST package. (AUTOFIXUP) Gather dictionary statistics after the upgrade using the command: EXECUTE DBMS_STATS. TIMEZONE_VERSION_UPGRADE_ONLINE enables you to keep the database running in normal mode while upgrading time zone Jan 22, 2024 · And he did highlight a potential issue with the post upgrade time zone change to me: Bug 10209691 – slow performance on ALL_TSTZ_TAB_COLS. With the In Sequence technique, you install the new release multitenant architecture CDB. This article assume that you have basic understanding of Autoupgrade utility and its different modes and stage, if not then go through a quick read of Oracle 19c AutoUpgrade Utility article. Hence, a PDB needs to be upgraded, too. 1 PDB in a 19. This should be obvious from the output of the docker logs command. Aug 21, 2020 · 6. To keep data dictionaries consistent, drop the PDB from the CDB. Workaround: alter session set “_with_subquery”=materialize; All together the upgrade of an Oracle 9. 1 to 19] Upgrading Oracle Multitenant In Sequence. Non-CDB to PDB Upgrade Guidelines and Examples. source_dblink. Upgrading the Time Zone File Version After Upgrading Oracle Database. TIMEZONE_VERSION_UPGRADE_ONLINE Previous Next JavaScript must be enabled to correctly display this content Aug 24, 2021 · The preferred release you upgrade to is still Oracle Database 19c; Oracle Database 21c is an innovation release with some nice features but also a short support time lifetime; Oracle 21c is CDB-only. Process overview: At first plugin non-CDB as PDB, then upgrade and finally convert it to a PDB. Total System Global Area 4294962968 bytes Fixed Size 8646424 bytes Variable Size 3858759680 bytes Database Buffers 419430400 bytes Redo Buffers 8126464 bytes Database mounted. I will solely focus on the database upgrade itself. SQL>. The transition period during which Daylight Saving Time comes into effect, or stops being in effect, has the potential for problems, such as data loss, when handling timestamps with time zone data. When the upgrade has progressed through finishing the upgrade of the CDB root and each PDB seed, the Progress window marks the status as Finished. CDB Level SQL> SELECT DBTIMEZONE FROM dual; DBTIME-----+00:00 SQL> ALTER DATABASE SET TIME_ZONE To improve the reliability and support for Oracle Database upgrades, Oracle is desupporting Database Upgrade Assistant (DBUA), and manual upgrades using the Parallel Upgrade Utility (catctl. Wait for the 12. What I’m looking is to upgrade User PDB from 12c to 19c, by unplugging it from 12c and plug it on on 19c CDB and Run catctl. Prepare for the Upgrade. When the current container is a PDB, all queries on these views return no results. It is a one-way street. Refer to Oracle Database Globalization Support Guide for the complete set of steps before you set this parameter value. You then unplug PDBs, plug them into the new Run the 19c pre-install package on Linux to complete all OS level pre-requisites. 3 Using AutoUpgrade to Upgrade and convert Non-CDBs to PDBs. May 24, 2023 · Bug 35117839 : DST VERSION UPGRADE – UTLTZ_UPG_CHECK. Especially the fact that the relocate – as soon as you start the relocated PDB in STARTUP UPGRADE mode – drops the source whereas the clone leaves the source makes it the better solution. x) (Doc ID 2549866. Apr 12, 2021 · In this article we will upgrade 11gR2 DB to 19c DB using Autoupgrade utility which will not only upgrade the DB but also convert the non-CDB to PDB. SQL> alter pluggable database PDBRAT open read write instances=all; Pluggable database altered. put_line ('DBMS_DST. Feb 14, 2022 · In this blog, we will see steps for How we can migrate PDB from Window OS into Linux CDB and upgrade from 12C to 19C using Remote Clone . 0 CDB. Starting with Oracle Database 21c, you can perform such an upgrade while the database is in normal mode by setting the value of TIMEZONE_VERSION_UPGRADE_ONLINE to true. Oracle recommends setting the database time zone to UTC (0:00), as no conversion of time zones will be required. Mar 2, 2023 · Step 9 PDB : Shutdown PDB and Startup PDB in Normal mode. Goal. When you attempt to upgrade a single tenant, the following things happen: Upgrade of the Jan 18, 2024 · This guide is for application owners who want to build highly available applications, and thus need to understand what types of disruptions can happen to Pods. 0 00:00:00 Oracle XML Database UPGRADED 12. This sounds very promising – but let us take a closer look together in this blog Starting with Oracle Database 21c, you can perform such an upgrade while the database is in normal mode by setting the value of TIMEZONE_VERSION_UPGRADE_ONLINE to true . Jul 30, 2020 · There were so many questions regarding AutoUpgrade with Transparent Data Encryption (TDE) in the past weeks and months. Before conversion, back up your datafiles and database Mar 17, 2020 · Especially in the case where you have a CDB with only one PDB (single tenant), the upgrade takes typically more than twice as long as a regular non-CDB upgrade. Following is a quotes from the document from Metalink: "If the database time zone is set to US/Pacific , then it will return US/Pacific . Nov 2, 2007 · Therefore, to perform a time zone data upgrade across an entire CDB, you must upgrade the CDB root and each PDB separately. Register: Don't have a My Oracle Support account? Click to get started! Jul 15, 2022 · 1. sql for PDB upgrade which works fine. Example 2-8 AutoUpgrade Configuration File for Upgrade and Convert with Separate Backup Solution for Source Database. TIMEZONE_VERSION_UPGRADE_ONLINE enables you to keep the database running in normal mode while upgrading time zone If your upgrade is successful, but the upgraded PDBs are in Restricted Mode, then this may be due to components set to OPTION OFF. Source: EE CDB version 18c and Release Update (RU) 18. May 14, 2019 · ORA-39405: Oracle Data Pump does not support importing from a source database with TSTZ version 33 into a target database with TSTZ version 32. The PDB upgrade deployment starts immediately after you start AutoUpgrade, because no time interval is specified: upg1. png. Jul 24, 2019 · Yes, after plugin. UPGRADE_DATABASE NOT RUNNING IN PARALLEL. Sequentially. Jun 24, 2021 · If RAC , Remove the database from cluster and add it again from 19c home. Voluntary and involuntary disruptions Pods do not disappear until someone (a person or a controller) destroys Jan 16, 2024 · Just in case you sit at home next week on Tuesday, Wednesday and Thursday, you’ve just had your lunch. Jul 30, 2019 · All of this is a long way of saying that I cannot upgrade the CDB along with all of its PDBs at the same time. Dropping the PDB clears the data dictionaries from the previous CDB. May 5, 2020 · Upgrade the cloned PDB. Every day at the same time, 14:30h CET (or 13:30 GMT or 18:00 IST). 16. Empty the default tables that hold the affected tables list and errors. Primary Author: Douglas Williams. x, 18c Container database (CDB) to Oracle 19c (19. TIMEZONE_VERSION_UPGRADE_ONLINE Previous Next JavaScript must be enabled to correctly display this content Mar 6, 2020 · Hi Jeannette, you are the 2nd one proposing this as the better scenario (online clone instead of relocate), and I agree with you. Once application team confirmed that everything is working fine. Step 1: Upgrade Path for 19c Oracle database. The Results window displays information about the original database, and about the upgraded database. If your upgrade is successful, but the upgraded PDBs are in Restricted Mode, then this may be due to components set to OPTION OFF. Startup the intermediate container based on the "ol7_121_122:latest" image, which detects the database Jan 22, 2024 · Generally speaking, the technical reason for all these potential pitfalls is that you can’t downgrade time zone. The local database must have a database link to the remote database. Process overview: Upgrade to matching version of CDB, then plugin non-CDB as PDB, and finally convert it to a PDB. Step-1: Shutdown database and startup database in upgrade mode as follows. sql. Oracle Database supplies multiple versions of time zone files. 0 00:32:28 Oracle Real Application Clusters UPGRADED 12. Mar 16, 2020 · Once Oracle 12. The DBMS_DST package enables working with these transitions in the context of a set of rules. Stop and remove the current container, which is based on the "ol7_121:latest" image. TIMEZONE_VERSION_UPGRADE_ONLINE enables you to keep the database running in normal mode while upgrading time zone data using the DBMS_DST package. For example, DBUA can ensure that the correct time zone file is used, and make ACL adjustments for network access control lists. Jun 13, 2023 · One of the advantages of Oracle Multitenant is the ability to Manage Many as One and upgrade all PDBs and the CDB together at the same time, saving time and effort. In this method, first unplug the PDB from an earlier release CDB, plug it into the later release CDB, and then upgrade it. It denies the import into a lower time zone version database. POST UPGRADE STEPS: Step:17 Run catcon. Setup phase. GATHER_DICTIONARY_STATS; Oracle recommends gathering dictionary statistics after upgrade. Still, there’s much more to talk about. Without this you must open the remote PDB or non-CDB in read-only mode. Feb 20, 2022 · Post upgrade Steps. And it brings a ton of new enhancements and features. This article is focused on upgrading a multitenant database. BUG 19704999 - DBMS_DST. pl by passing catupgrd. Example 3-2 AutoUpgrade Configuration File for Non-CDB to PDB Conversion. Description of the illustration cdb-and-pdbs. Solution. 4. But how does a time zone file upgrade fit into that process? Also, some advice on time zone fi Setting the value of this parameter is only one step in a series of steps for upgrading your time zone data. 2 to 19. Nov 10, 2020 · Database Installation: (1) Prepare to create the 19c Oracle home. Apr 14, 2021 · Upgrade 12cR2 (Non-CDB) to 19c (PDB) using AutoUpgrade. Create a DBLink in Target CDB. Serial Phase #:104 [prod] Files:1 Time: 3s *** End PDB Application Upgrade Post-Shutdown ** UPGRADE TIMEZONE FILE: Upgrade the database file zone file. The AutoUpgrade Utility simplifies the task of upgrading and converting your earlier release Oracle Database to a later Oracle Database release using the multitenant architecture. Check the current time zone for the pluggable database. On the command line simply issue: $ dbupgrade -c "PDB3" -l /home/oracle. Jan 22, 2024 · Posted on June 6, 2023 by Mike. Initiate migrated PDB upgrade to 19C. Aug 14, 2020 · Change Timezone in Oracle Database for CDB and PDB. And we still do recommend . Loading in parallel reduces the overall upgrade time. Initiate PDB Clone Command in Target CDB. If a PDB is opened in restricted mode, then query pdb_plug_in_violations for errors to see if this result is due to one or more components in that PDB with OPTION OFF status. The Parallel Upgrade Utility ( catctl. BEGIN_UPGRADE(31); An upgrade window has been successfully started. If you don't want to commit to upgrading all the PDBs in one step, you can upgrade them individually, or a subset of the PDBs, using the unplug/plugin method. Database dismounted. However, if you explicitly disable the time zone file upgrade in your AutoUpgrade configuration file, then you should perform this task either as part of your upgrade plan, or at a later point in time. 1 DBMS_DST Overview. 8. The 19c Oracle home must be installed on the database server node in a different directory than the current Oracle home. 2 Post-Upgrade Status Tool 05-09-2017 14:46:01 [PDB1] Component Current Version Elapsed Time Name Status Number HH:MM:SS Oracle Server UPGRADED 12. And then start the database using srvctl command. Apr 17, 2023 · Symptoms. In this example, the configuration file directs AutoUpgrade to upgrade and convert the non-CDB Oracle Database 12c named DB12 to a PDB named PDB3 on the Oracle Database 21c CDB named CDB2. Fallback after plugin: Data Pump – optional: Oracle GoldenGate. In this blog, We are going to see how to change DBTime zone in multitenent database. Step 10 PDB : End TZ Upgrade Apr 17, 2023 · Sign In: To view full details, sign in with your My Oracle Support account. Minimum version of the database that can be directly upgraded to Oracle 19c. For more information, refer to "Upgrading the Time Zone File and Timestamp with Time Zone Data" in the 19 Oracle Database Globalization Support Guide. Starting with Oracle Database 21c, Replay Upgrade is the default option for upgrading PDBs. And the team is still working hard on a solution to make the non-CDB to PDB plugin flawless and automated for such cases. jar) creates fixup scripts and log files in the output directory that you specify with the DIR command-line option. fire srvctl upgrade database -d db_unique_name . 8 EBS 11i database takes approx 30 minutes. This step is where you check the impact of a time zone file upgrade, including the tables that will be affected by the upgrade. 1. Note that Oracle allows different containers to have different time zone file versions, so you have the option of upgrading only a subset of containers in a CDB. ORACLE instance shut down. 1. If you are not aware of this autoupgrade utility, I would recommend to read my blog post on this topic Oracle 19c AutoUpgrade Utility which explains the workflow Jul 10, 2023 · Details. You won’t get a proper warning unless you drill down to the logfiles in this case. dat. And you don’t know what do to in the afternoon, sign up and click in to our 3 Live Seminars: Database Upgrade and more – April 28, 29 and 30, 2020. There are two techniques for upgrading Oracle Databases using the multitenant architecture: In parallel. 2) Multitenant : All Articles; Upgrade the Database Time Zone File Using the DBMS_DST Package; Assumptions. With this technique, you carry out one upgrade operation that upgrades the CDB, and then upgrades the PDBs in parallel. Note: Setting the value of this parameter is only one step in a series of steps for upgrading your time zone data. Apr 17, 2023 · Oracle 19c - Complete checklist for Manual Upgrade for upgrading Oracle 12. DBUA addresses many issues found during the prerequisite phase. The target_cdb parameter value defines the Oracle system identifier (SID) of the container database into which you are plugging the non-CDB Oracle Database. Before conversion, back up your datafiles and database Mar 21, 2021 · The database is using time zone file version 26 and the target 19 release ships with time zone file version 32. The PDB is then plugged into a 19. Oracle Database - Enterprise Edition - Version 12. About New Autoupgrade utility. pdbx=pdbxcdb18x Using the same configuration file, AutoUpgrade starts the upgrade of the database named db18x in 1 hour and 40 minutes after AutoUpgrade is started from the command line. Feb 9, 2021 · Similarly, in this blog post we are going to create the refreshable PDB across CDBs with different release versions, keeping them in sync until “last minute”, and finally upgrade the PDB on the target CDB to match the CDB’s release version. Pre-Checks / Pre-Steps. Jul 10, 2017 · Choose your desired time zone version (DST) upgrade Posted on May 24, 2023 by Mike. NOTE: During the relocation and upgrade Jan 15, 2018 · We would like to show you a description here but the site won’t allow us. Create common user in Source CDB. 1 and later: Configure Different Timezones per PDB. 0 00:02:24 Final Actions 00:06:59 Post Upgrade 00:03:07 Total The Time Zone upgrade will not run on any containers (timezone_upg=no). The new launch template version uses the target AMI or a custom launch template version for the update. Root container version time zone is 40 but pluggable database time zone version is 35. But this looks to be even smarter than simply cloning. 2 upgrade is completed, I have also upgraded Timezone to 28 with the following steps. Setting the value of this parameter is only one step in a series of steps for upgrading your time zone data. For both databases: The parameter upgrade_node specifies the actual system host name (nodename-1), and not to an alias assigned to the host name. One way to upgrade PDBs individually is by using the unplug/plug method. (it should be changed to 32),for that run utlusts. Before running the Parallel Upgrade Utility, follow the procedures for backing up your database that you normally do before upgrading. The Time Zone upgrade will not run on any containers (timezone_upg=no). Click here to get 19c binary installation steps and follow the same. SQL> shu immediate. Step:18 Then check for any invalid objects in the database after upgrade. Log in to the database server node as the owner of the Oracle RDBMS file system and database instance. Connect to the database and verify tablespace sizes for upgrade. During the upgrade phase, DBUA runs catctl. sql script. Jan 8, 2023 · A cool feature of Oracle Database is the ability to downgrade. Jul 10, 2017 · Oracle Database 12. Jul 23, 2019 · Yes, before plugin. Total System Global Area 1543500136 bytes Fixed Size 8896872 bytes Variable Size 1040187392 bytes Database Buffers 486539264 bytes Redo Buffers 7876608 bytes Database mounted. It is also for cluster administrators who want to perform automated cluster actions, like upgrading and autoscaling clusters. 1: Install 19c Binary: Install Oracle 19c binary if it’s not already available on the DB server. So, when you take an export taken from a database with an older DST version and import it into a database on a higher DST version, all is fine. Timezone data upgrade is very slow when executing 19c DBUA if the source database does not have the following fixes applied. Jan 30, 2020 · CREATE PLUGGABLE DATABASE PDB3 FROM PDB3@clonemypdb RELOCATE file_name_convert=('CDB1','CDB2'); Open the PDB: ALTER PLUGGABLE DATABASE PDB3 OPEN UPGRADE; The PDB needs to be opened in upgrade mode as it is a 12. Nov 7, 2023 · In this Document. Aug 23, 2021 · Multitenant : PDB Upgrades Using Priority Lists, Inclusion Lists and Exclusion Lists in Oracle Database 12c Release 2 (12. The Environment. Do the upgrade: DBMS_OUTPUT. SQL> startup upgrade ORACLE instance started. And finally, the new AutoUpgrade Tool is available in March 2024. pl, which runs the upgrade processes in parallel instead of serially. The CDB_PDBS view and DBA_PDBS view provide information about the PDBs associated with a CDB, including the status of each PDB. Now it’s time to release the system to Application team. 11 Nov 2, 2007 · Therefore, to perform a time zone data upgrade across an entire CDB, you must upgrade the CDB root and each PDB separately. 2 CDB. Step 2: Requirements and recommendations for source database. Applies to: Oracle Database - Enterprise Edition - Version 12. pl , which you can start with the shell command dbupgrade ) loads the data dictionary and components in parallel. 0. Timezone Data upgrades are still very slow even after applying the fix to Target Database and Executing DBUA. Check new settings: Loading After upgrading database from 12c to 19c, you may need to upgrade database time zone file version. But I won’t cover the latter in this post here. 複数インスタンスには、同じ値を指定する必要がある The Pre-Upgrade Information Tool ( preupgrade. Intermediate upgrades needs to be carried for following releases. end_upgrade : l_failures=' || l_failures); An upgrade window has been successfully ended. Oracle recommends upgrading to the desired (latest) version of the time zone file. Some of them, for instance the windows services support, were awaited by you for a long time. Parallel runs optimize utilization of Apr 23, 2022 · Start the database in upgrade mode and update the timezone version using the below commands. mode use the Parallel Upgrade Utility to carry out the upgrade of the earlier-release PDB to the release level of the CDB. Upgrading a container database (CDB) will also upgrade all of the associated PDBs. As next step, I will upgrade my cloned PDB. When you run the Pre-Upgrade Information Tool, it generates the following files inside the directory that you specify as the output directory. If you plan to move to Oracle 21c and your database is a non-CDB, you need to create a CDB now in 21c at first 6 days ago · It has been a longer while – but the Upgrade Dev team worked very hard. SQL – NEED TO PASS THE VERSION INSTEAD OF PICKING AUTOMATICALLY fixes this and allows you to choose your desired DST version you will upgrade to. yum install -y oracle-database-preinstall-19c yum update -y . PL/SQL procedure successfully completed. To use the non-CDB to PDB option, you must set the parameters target_cdb in the AutoUpgrade configuration file. And of course, the upgrade . 7. Setting the time zone in the pluggable database allows it to override the CDB setting. cmd. Database closed. Next, in the earlier release multitenant architecture CDB, you issue SQL commands to run preupgrade scripts to prepare one or more PDBs to upgrade, and shut them down. There is a feature in Oracle Database 21c I planned to write about for a very long time: Zero Downtime Upgrade of Timezone Data in Oracle 21c and 23c. ha rz fj ps ut uv xk nd gs pq