12cR1 RAC Installation on OEL7

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To build Oracle Clusterware Database at Home, I believe , RAC ATTACK is the best place to learn. Its is a free curriculum and platform for hands-on learning labs related to Oracle RAC. While reviewing the article, I thought to perform 12cR1 RAC installation on OEL 7.2. Attached is the document :- 12c_RAC_on_OEL7 The attached article is […]

PDB Saved state – 12.1.0.2

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Prior to 12.1.0.2 version, whenever container database was restarted,the pluggable databases within the container database remained in MOUNT state. Startup trigger were written to open the database in READ-WRITE/READ-ONLY mode.Starting from 12.1.0.2, this can be done with PDB save state feature SQL> show pdbs CON_ID CON_NAME OPEN MODE RESTRICTED ———- —————– ———- ———- 2 PDB$SEED […]