20c New Updates

New Features Oracle 20c Database 

General

1. Block Chain tables
2. SQL_MACRO instead functions
3. Expressions in Parameters
4. Multiple Datapump enhancements
5. PDB Point in Time recovery
6. MAX_IDLE_BLOCKER_TIME Parameter
7. SecureFile Lob online defragmentation
8. Namespace integration with Nest for CDB/PDB

Dataguard

1. Data Guard Broker Far Sync Instance Creation
2. Standby CDB Continuity
3. Active data guard - result cache in standby

RAC

1. Clusterware REST API
2. Pluggable Database Cluster Resources
3. Remote GIMR Support for Oracle Standalone Clusters
4. Support for Deploying Grid Infrastructure Management Repository (GIMR) into a Separate Oracle Home
5. Cache Fusion Hardening
6. New Datatype "JSON"

ASM

1. Oracle ASM Flex Disk Group Support for Cloning a PDB in One CDB to a New PDB in a Different CDB
2. Enable ASMCA to Configure Flex ASM on an Existing NAS Configuration
3. Oracle ACFS File Based Snapshots

Performance Troubleshooting

1. Index Optimizatoin
2. TAC - Reset_sessions service attribute
3. Planned failover with TAC

Security

1. Force Upgraded Password File to be Case Sensitive
2. SYSLOG Destination for Common Unified Audit Policies
3. Unified Audit Policies Enforced on the Current User
4. Unified Audit Policy Configuration Changes Effective
5. Ability to Set the Default Tablespace Encryption Alogirthm