Last updated on FEBRUARY 16, 2017
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.4 and laterInformation in this document applies to any platform.
Symptoms
- Large number of executions of recursive query with SQL_ID(s) : gf9z4nnhvsa8s or ct8wd6x64w8rf or a2059j2q1bpm5
- The SQL Text may have the comment /* QOSPS_TAB */ which indicates that the queries are looking for pending statistics for table objects (SQL_ID: a2059j2q1bpm5)
- The recursive SQL(s) statements may appear near the top of the AWR reports under the section SQL Ordered by Executions
Changes
Changed the value of the parameter optimizer_use_pending_statistics to a value of TRUE at system level
Cause
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