What is the use of ANALYZE command ?
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Answer / guest
To perform one of these function on an index,table, or cluster:
- to collect statisties about object used by the
optimizer and store them in the data dictionary.
- to delete statistics about the object used by
object from the data dictionary.
- to validate the structure of the object.
- to identify migrated and chained rows of the table or
cluster.
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Answer / shailendra kumar
ANALYZE commmand is use the gather the statisties of the
table,index and current setuation of table. this is use the
analye the performance of the table. for example row
migation and row channing etc.
| Is This Answer Correct ? | 3 Yes | 1 No |
Answer / nishi
When we issue ANALYZE TABLE with the computes statistics command, the entire Oracle table is analyzed via a full-table scan. Upon completion of the Oracle ANALYZE TABLE command, very accurate statistics are then placed inside the data dictionary for use by the cost-based optimizer.
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