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| Arie Nugraha napsal(a):
> Hi list,
>
> I Have a problem with my query that fetch about 22.000 records from
> database, the query is like this :
>
> SELECT SQL_CALC_FOUND_ROWS DISTINCT b.biblio_id, b.title,
> a.author_name FROMbiblio AS b LEFT
> JOIN biblio_author AS ba ON b.biblio_id=ba.biblio_id LEFT JOIN
> mst_author AS
> a ON ba.author_id=a.author_id WHERE b.biblio_id IS NOT NULL GROUP BY
> b.biblio_id ORDER BY b.input_date DESC LIMIT 0, 10
>
> it took about 6 seconds to complete the query in localhost. I already
> make
> an Indexes on each table, but still the performance is slow.
> Anyone have an idea how to optimize the query so result is faster?
>
> Thx
>
optimalisation requests should be supplied with result of explain and
table structure. Without that it is just guessing what may went wrong.
OKi98
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