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Oracle 18c Multitenancy New Features – Snapshot Carousel, CDB Fleet and Container Maps

SNAPSHOT CAROUSEL A PDB Snapshot is a point-in-time copy of a Pluggable Database. We can create snapshots either manually using the SNAPSHOT clause of CREATE or ALTER PLUGGABLE DATABASE command, or automatically using the EVERY interval clause. When a PDB is enabled for snapshots, we can create multiple snapshots or point-in-time copies of the PDB. […]

Minimizing downtime for Container and Pluggable Database (CDB and PDB) Upgrades

Oracle 12c Release 2 introduced a number of new features which would help reduce outages required for database upgrades. Multitenancy feature was introduced in Oracle 12.1 and these features introduced in Oracle 12.2 would help significantly in not only reducing the overall duration required for a database upgrade, but also in managing and having more […]

How to perform an Oracle 18c Container and Pluggable Database upgrade using dbupgrade

Shutdown the 12c Release 2 CDB and PDBs   [oracle@host02 bin]$ sqlplus sys as sysdba Connected to: Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 – 64bit Production SQL> show pdbs CON_ID CON_NAME OPEN MODE RESTRICTED ———- —————————— ———- ———- 2 PDB$SEED READ ONLY NO 3 PDB1 READ WRITE NO 4 PDB2 READ WRITE NO SQL> […]

Creating an Oracle 12c Data Guard Active Standby Database

This note examines how to create an Oracle 12.1.0 physical standby Active Data Guard database using the RMAN DUPLICATE FROM ACTIVE command. We will be creating the data guard configuration in a 12c Container Database. Remember – in 12c Data Guard is set up at the Container level and not the individual Pluggable database level […]

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