[php]
SELECT
table1.user_no,
table2.user_sex,
table3.ipart_point
FROM
table1
INNER JOIN table2
ON table1.user_no = table2.user_no
INNER JOIN table3
ON table1.user_no = table3.user_no
WHERE table1.user_no='100'
[/php]

各位大侠们..帮我看看.
这句SQL查询起来很慢.

如果想做优化的话..要从哪里下手咧?
一定一定要帮帮忙..谢谢好心人啦....