T-SQL语句查询的处理顺序

T-SQL语句处理顺序

如下所示：

 (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>