WHEN GATHERING STATISTICS IN PARALLEL THE HISTOGRAM PART RUNS IN SERIAL
(Doc ID 1191753.1)
Last updated on MARCH 27, 2014
Oracle Server - Enterprise Edition - Version: 10.2.0.4 and later [Release: 10.2 and later ]
Information in this document applies to any platform.
If gathering statistics takes a long time and the histogram queries run in serial mode using an index full scan execution plan then you are likely to have encountered this problem.
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