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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. […]

Applying the July 2019 Database Release Update Patch

This note describes the steps used to apply the latest July 2019 Database Release Update Patch for Oracle 12c Release 2. The environment is single instance Multitenant database. Notes 1)Review MOS note Master Note for Database Proactive Patch Program (Doc ID 756671.1) 2)Download patch p29699168_122010_Linux-x86-64.zip – COMBO OF OJVM RU COMPONENT 12.2.0.1.190716 + 12.2.0.1.190716 DBJUL2019RU […]

Oracle 19c New Feature High-Frequency Statistics

The automatic optimizer statistics collection job which calls DBMS_STATS package runs in predefined maintenance windows and these maintenance windows are open once a day during which various jobs including the gathering of statistics is performed. For volatile tables statistics can go stale between two consecutive executions of such automatic statistics collection jobs. The presence of […]

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