Oracle 12c release 2: new features
Oracle introduced the long awaited Database 12c Release 2 earlier this year at OracleOpen World.
Oracle just released Oracle Database 12c Release 2 for on-premises Linux and Solaris.
Find below an incomplete list of the main new features:
1. Multi-Instance Redo Apply : With Oracle 12c Release 2, you can apply redo logs to multiple instance at the same time to improve recovery time objective.
2. Oracle Database Sharding : With Oracle 12c Release 2, you can horizontally partitioned data across many databases and present them as a single logical database to application.
3. Creating Data Guard Standbys With Database Creation Assistant : You can use DBCA to create Oracle Data Guard Standby Database from an existing primary database.
4. Online Conversion of a Nonpartitioned Table to a Partitioned Table: Now you can partition large non-partitioned tables online while mainting indexes during this operation and no impact on DML operations.
5. Automatically Synchronize Password Files in Oracle Data Guard Configurations : You no longer need to update password files on standby database, if you change passwords on primary database.
6. I/O Rate Limits for PDBs : You can limits the rate of physical I/O issued by a pluggable database (PDB) by specifying I/O requests per second or as Mbps (megabytes of I/O per second).
7. PDB Character Set : Oracle now have removed a barrier to consolidate databases using PDB’s by allowing a different character set for each pluggable database (PDB) in the same multitenant container database (CDB).
8. Memory Resource Management :Now you can prevents one PDB from using too much buffer cache, library cache, or program global area (PGA) by managing memory usage between PDB’s within a Container.
9. Partitioning: Multi-Column List Partitioning : List partitioning functionality is expanded to enable multiple partition key columns.
10. TDE Tablespace Live Conversion : You can now encrypt, decrypt, and rekey existing tablespaces with Transparent Data Encryption (TDE) tablespace live conversion.