RDBMS 12.1.0.2: Changes In Query Optimizer Return Different Values Compared to 12.1.0.1 And Lower For Column Size Using DBMS_SQL.DESCRIBE_COLUMNS and OCI (Doc ID 2042204.1)

Last updated on JANUARY 11, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

Using RDBMS 12.1.0.2 and performing

Potententially, any driver and provider like OLEDB, ODBC, ODP.NET, JDBC should show this changed results since the query optimizer is RDBMS and API, Drivers and Provider just picktup this information and wont do own calculations.

Cause

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