A query terminates with error:
ORA-00600: INTERNAL ERROR CODE, ARGUMENTS: [KDSGRP1]...
Other terms
10.2.0.4 10.2.0.5
11.2.0.1 11.2.0.2 ORA-600 KDSGRP1 bitmap conversion to rowids bug 9064888 9770451 SBP _b_tree_bitmap_plans Windows
Reason and Prerequisites
Oracle bug #9064888 - which has been closed as a duplicate of Oracle bug 9770451 - can cause a query to fail on 10.2.0.4, 10.2.0.5, 11.2.0.1 and 11.2.0.2 when the Cost Based Optimizer performs "BITMAP CONVERSION TO ROWIDS" optimization. In this case the generated ORA-600 trace file will include a PLAN TABLE for the failing query which clearly shows "BITMAP CONVERSION TO ROWID".
In addition, consistency check of the table(s) involved via:
analyze table . . . validate structure cascade online;
will not return any errors.
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