(1) from
(2) join
(3) on
(4) where
(5) group by(开始使用select中的别名,后面的语句中都可以使用)
(6) avg.sum...
(7) having
(8) select
(9)distinct
(10) distribute by /cluster by
(11) sort by
(12) order by
(13) limit
(14) union /union all
(1) from
(2) join
(3) on
(4) where
(5) group by(开始使用select中的别名,后面的语句中都可以使用)
(6) avg.sum...
(7) having
(8) select
(9)distinct
(10) distribute by /cluster by
(11) sort by
(12) order by
(13) limit
(14) union /union all
本文标题:sql的运行顺序
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