编写SQL查询时这些子句的正确顺序是什么？

Question

有在SQL Server中的许多条款,例如SELECT,WHERE,GROUP BY,ORDER BY,HAVING

编写查询时这些子句的正确顺序是什么？

Answer 1

http://msdn.microsoft.com/en-us/library/ms189499.aspx

[ WITH <common_table_expression>]

SELECT select_list [ INTO new_table ]

[ FROM table_source ] [ WHERE search_condition ]

[ GROUP BY group_by_expression ]

[ HAVING search_condition ]

[ ORDER BY order_expression [ ASC | DESC ] ]