在Inside Microsoft SQL Server™2005 T-SQL查询一书中,作者Itzik Ben-Gan告诉我们订单或SQL Server 2005的逻辑查询处理是:
(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>
1. FROM
2. ON
3. OUTER (join)
4. WHERE
5. GROUP BY
6. CUBE | ROLLUP
7. HAVING
8. SELECT
9. DISTINCT
10. ORDER BY <---------------------- NOTE
11. TOP <---------------------- NOTE
在他的"Microsoft SQL …