Re: create index on function - why?

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Wei Weng wrote:
> I can understand the rationale behind creating index on tables, it
> speeds up the searching.
>
> But what is the rationale behind creating index on a function? how does
> it help with the database performance?
>
> Thank you.
>
> --
> Wei Weng
> Network Software Engineer
> KenCast Inc.
>
>
>
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