This preface contains:
The following are changes in Oracle Universal Connection Pool Developer's Guide for Oracle Database 12c Release 2 (12.2.0.1).
The following features are new in this release:
Shared Pool Support for Sharded Databases
Shared Pool Support for Multitenant Data Sources
Switch Service Enhancement
Starting from Oracle Database 12c Release 2 (12.2.0.1), you can use the SET CONTAINER
statement in the following way, if you want to switch among pluggable databases, while continuing to use user services with full service functionality:
ALTER SESSION SET CONTAINER=<container name> SERVICE=<service name>;
Support for setting connection validation frequency
Support for feature-specific logging at runtime
Real-World Performance Enhancement
See "About Optimizing Real-World Performance with Static Connection Pools"