DBMS_TNS package for tnsping in database Oracle 12.2

DBMS_TNS package provides the RESOLVE_TNSNAME function to resolve a TNS name and return the corresponding Oracle Net8 connection string.When you connect locally to the server (no SQL*Net, no listener), the Oracle session inherits the client environment.   It is available on oracle 12.2 Release . The DBMS_TNS package contains one function, RESOLVE_TNSNAME, which returns the […]

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Read only Partition in Oracle 12.2

Till now we can make a table read only, But what about setting few partitions of a table to read-only. Thanks to Oracle 12.2 Release, We can do this. This is usually helpful, If requirement is to make the historical data not editable.

SYNTAX – ALTER TABLE MODIFY PARTITION READ ONLY;

If you […]

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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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