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Join date: Apr 5, 2020
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Dec 3, 2020 ∙ 2 min
Bitmap Conversion From Rowid
Several times while checking the explain Plan, I find bitmap conversion to rowid which could slow down the performance of the query. The...
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Nov 7, 2020 ∙ 3 min
INDEX SKIP SCAN(INDEX_SS)
Prior to Oracle 9i version, if the leading column of an index wasn’t specified in a predicate, the index was effectively ignored by the...
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Nov 1, 2020 ∙ 2 min
PARALLEL_INDEX HINT
The PARALLEL_INDEX hint instructs the optimizer to use the specified number of concurrent servers to parallelize index range scans, full...
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