Split partition online oracle 12.2

In Oracle 12.2, We can split partitions or subpartitions online without impacting the DML statements.

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Local/Shared Undo mode in oracle 12.2 multitenant database

There are two undo modes in oracle 12.2 Multitenant database 1. Local undo mode 2. Shared undo mode Local undo mode: In this mode, each container ( i.e PDB ) in multitenant will have their own active undo tablespace. Share Undo mode: In this mode, There will be only one undo tablespace for the instance. […]

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After upgrading to Oracle 12.2, we face the issue of RDBMS DST timezones.Then either check support id 1585343.1 or else follow the below step 1.Connect to “sqlplus” and run the “upg_tzv_check.txt” file. If you want to download the content of upg_tzv_check

2. Now check the current timezone.

3. Now run the “upg_tzv_apply.txt” file. […]

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Manual upgrading Oracle database 11gR2 to 12cR2

Manual upgrading Oracle database 11gR2 to 12cR2 If you want to know how we upgrade an database to using DBUA, click here. This article explains how to upgrade and above, and to manually. Manually upgrading to 12c There are many DBAs who don’t want to follow the recommended way of upgrade […]

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Catalog Database Configure

Description:    RDB1 as TARGET SERVER                         RDB2 as CATALOG SERVER  create a database using DBCA on catalog server as catalog database i.e. RDB create a service in target server for the catalog server connection. check service alias using TNSPING servicename(EX:TNSPING RDB2) in terminal […]

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