The following are changes in Oracle Database Development Guide for Oracle Database Release 18c, version 18.1:

• Oracle Database supports Oracle RAC Sharding that provides performance and scalability benefits with minimal application changes, improved cache locality and reduced inter-node synchronization, and block pings.

  See Also:

  Oracle RAC Sharding

• Oracle Database provides additional memory location in the SGA memory location to support high frequency data query and data insert operations.

  See Also:

  Memoptimize Pool
• DBMS_HPROF API creates necessary tables and structures to collect and analyze raw profiler output as an alternative to the raw profiler data file.

  See Also:

  • Overview of PL/SQL Hierarchical Profiler

  • Creating Hierarchical Profiler Tables

• Oracle database provides a proxy that provides a scalable, secure, and manageable foundation between database clients and database instances

  See Also:

  Oracle Connection Manager in Traffic Director Mode