Oracle9i Database Reference Release 2 (9.2) Part Number A96536-01 |
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Initialization Parameters, 16 of 222
Parameter type |
Integer |
Default value |
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Parameter class |
Static |
Range of values |
Operating system-dependent |
BITMAP_MERGE_AREA_SIZE
is relevant only for systems containing bitmap indexes. It specifies the amount of memory Oracle uses to merge bitmaps retrieved from a range scan of the index. The default value is 1 MB. A larger value usually improves performance, because the bitmap segments must be sorted before being merged into a single bitmap.
See Also:
Oracle9i Database Performance Tuning Guide and Reference for more information on setting this parameter |
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