Using the Flashback Query Feature Results in a High Number of Child Cursors
(Doc ID 2192862.1)
Last updated on JUNE 05, 2019
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
- The number of child cursors increased
- Queries with a large number of child cursors are using 'flashback query' i.e SQL text has clauses: "AS OF TIMESTAMP" or "AS OF SCN"
- V$SQL_SHARED_CURSOR shows FLASHBACK_CURSOR as the reason
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