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Oracle Open world #oow19 update , New Announcement, Always free Tier in Oracle cloud to Build, test, and deploy applications on Oracle Cloud—for free Always (Yes always) Whats included ? Databases : Your choice of Autonomous Transaction Processing or Autonomous Data Warehouse. 2 databases total, each with 1 OPCU and 20 GB storage. Compute : […] Previous versions of Oracle database needs to manually manage the flashback area i.e flashback_retention_target to adjust according to growth of flashback logs Or manually backup the logs/backupsets to tape or to delete them But from Oracle 19c onwards, the management of space in the fast recovery area is simplified. Oracle Database monitors flashback logs […] In Oracle 19c Grid, Run the Oracle Grid Infrastructure installer in dry-run upgrade mode to determine if the system is ready for upgrade. To perform Oracle Grid Infrastructure dry-run upgrade, create a new Grid home with the necessary user group permissions, extract the Oracle Grid Infrastructure 19c gold image to the new Grid home, and […] Starting 19c, We can run DML operations on Active Data Guard standby databases. This enables you to run read-mostly applications, which occasionally execute DMLs, on the standby database. Automatic redirection of DML operations to the primary can be configured at the system level or the session level. The session level setting overrides the system level […] In Previous versions Oracle, When a service moves to an available instance, Oracle Database does not automatically move the service back to the preferred instance when the preferred instance restarts because: The service is running on the desired number of instances. Maintaining the service on the current instance provides a higher level of service availability. […] Desupport of Oracle Real Application Clusters for Standard Edition 2 (SE2) Database Edition. Starting with Oracle Database 19c, Oracle Real Application Clusters (Oracle RAC) is not supported in Oracle Database Standard Edition 2 (SE2). Upgrading Oracle Database Standard Edition databases that use Oracle Real Application Clusters (Oracle RAC) functionality from earlier releases to Oracle Database […] ADDM does not work in a pluggable database (PDB) by default, because automatic AWR snapshots are disabled by default in a PDB. Starting 19c , To use ADDM in a PDB, you must enable automatic AWR snapshots in the PDB by setting the AWR_PDB_AUTOFLUSH_ENABLED initialization parameter to TRUE and AWR snapshot interval greater than […] When flashback or point-in-time recovery is performed on the primary database, a standby that is in mounted mode can automatically follow the same recovery procedure performed on the primary. When flashback or point-in-time recovery is performed either on a primary database or a PDB in the primary database, the primary database or PDB is moved […] Starting 19c, Restore points that are created on a primary database are automatically replicated to the standby database. The restore points created on the standby database are called replicated restore points. Irrespective of whether a restore point on the primary database is a guaranteed restore point or a normal restore point, the corresponding replicated restore […] Cloud Feature – Not working in On Prem installation. Oracle Database 12c introduced online statistics gathering for CREATE TABLE AS SELECT statements and direct-path inserts. Oracle Database 19c introduces real-time statistics, which extend online support to conventional DML statements. Because statistics can go stale between DBMS_STATS jobs, real-time statistics helps the optimizer generate more optimal […] |
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Oracle 23c New Features for DBA's
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