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理解SQL的select语句执行顺序_[SQL Server教程]
Writer: 归海一刀 Article type: Programming skills(编程技巧) Time: 2014/2/3 6:46:48 Browse times: 478 Comment times: 0
理解SQL的select语句执行顺序_[SQL Server教程]
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理解SQL的select语句执行顺序_[SQL Server教程] select语句执行顺序

 (7)SELECT (8)DISTINCT (10)<TOP_specification> <select_list>
(1)FROM <left_table>
(3)　<join_type> JOIN <right_table>
(2)　　　 ON <join_condition>
(4)WHERE <where_condition>
(5)GROUP BY <group_by_list>
(6)HAVING <having_condition>
(9)ORDER BY <order_by_list>


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