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| Category: Managing statistics |
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| Performs various statistical calculations on the file keys. |
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| Returns the date of the last update for the index statistics. |
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| Returns the number of duplicates for a given key item. |
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| Returns the number of entries for a given key item. |
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| Returns an estimate regarding the number of entries for a given key item in a given interval of values. |
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| Returns the time of the last update for the index statistics. |
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