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Index is extensively accessed via fast full index scans.
Description | |
What to do next | Perform the following: n Examine associated statements in the Statements tab. n Focus on the Fast Full Index Scan access type in the Access Types table. n Examine column usage for each statement in the Columns table. |
Advice | Perform one of the following options: n Fast Full index scan can be eliminated by: Identifying common high selectivity columns for the top statements. Create an index matching the statements predicates. Partitioning the table according to the best predicates existing in the statements. n Fast Full Index scan can be improved by: Moving the index to another space with a higher block size. Increasing the DB_FILE_MULTIBLOCK_READ_COUNT init.ora parameter. |
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