SQL语句执行顺序
2012-04-16 14:10
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(8)SELECT (9)DISTINCT (11)<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)WITH {CUBE|rollup} (7)HAVING <having_condition> (10)ORDER BY <ORDER_BY_list >
以上内容出自《Microsoft SQL Server 2005技术内幕》