Group By With Many Rollups Causes Oracle To Hang (Doc ID 1257415.1)

Last updated on NOVEMBER 04, 2010

Applies to:

Oracle Server - Enterprise Edition - Version: 11.2.0.1 and later   [Release: 11.2 and later ]
Information in this document applies to any platform.

Symptoms

ORA-4030 errors with complex SQL queries.  The problem query contains numerous GROUP BY or ROLLUP statements. 

Errors may look similar to:

ORA-04030: out of process memory when trying to allocate 56 bytes (TCHK^1b22a064,kkqgAllocEle.5)

Cause

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