Re: What kind of index to use for many rows with few unique

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От Joe Conway
Тема Re: What kind of index to use for many rows with few unique
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Msg-id 3DEBE97C.3090304@joeconway.com
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Ответ на Re: What kind of index to use for many rows with few unique  ("David F. Skoll" <dfs@roaringpenguin.com>)
Ответы Re: What kind of index to use for many rows with few unique
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David F. Skoll wrote:
> No, I'm sure a btree will work.  However, won't the index be
> inefficient (i.e., very flat) if there are many entries with the same
> value?  Or is this not a problem?
>

If you're concerned, why not try a partial index?

Joe

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