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Oracle 21c New Feature – Prepare Database for Data Guard

The Data Guard Broker PREPARE DATABASE FOR DATA GUARD command configures a database to be used as a Primary Database in a Data Guard Broker configuration. It enables and sets a number of database parameters like LOG_BUFFER, DG_BROKER_START, STANDBY_FILE_MANAGEMENT, DB_BLOCK_CHECKSUM etc. It also enables FLASHBACK and ARCHIVELOG for the database and creates the Standby Redo […]

Oracle 21c AutoUpgrade (Part 2)

This note describes the steps used to upgrade an Oracle 19c Pluggable Database (PDB) to Oracle 21c using the unplug/plug method via the new Autoupgrade utility. Source Container Database: ORCLCDB (19c ) Target Container Database: DB21C (21c ) ################################################################################################### 19c Pluggable Database ORCLPDB1 is hosted in 19c Container Database ORCLCDB ################################################################################################### [oracle@db21c ~]$ . oraenv […]

Oracle 21c AutoUpgrade (Part 1)

This note describes the steps used to upgrade an Oracle 19c database to Oracle 21c as well as convert the 19c Non-CDB database to a Pluggable Database (PDB) hosted in an Oracle 21c Container Database. Source Database: ORCL (19c Non-CDB ) Target Database: DB21C (21c CDB) ########################################################################### Create Auto Upgrade configuration file ########################################################################### [oracle@db21c ~]$ […]

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