MV_ PROSPECTIVE_ HISTOGRAMS
This view contains information about columns which were used in queries where a histogram could have been utilized, but did not have histograms.
This view counts over all queries (rows) in the in-memory plancache in order to distinguish which of these contain applicable columns.
Column Name |
Description |
---|---|
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The name of the related database. |
|
The name of the related table. |
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The name of a given column for which a prospective histogram has been identified. |
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The number of times the column was used in queries where a histogram could have been utilized, counting once per query per occurrence of the table. |
Last modified: January 5, 2024