摘要: 下面列出SQL查询语句的一般形式,以及各个子句被逻辑处理的顺序步骤: (8) SELECT (9) DISTINCT (11) (1) FROM (3) JOIN (2) ON (4) WHERE (5) GROUP BY (6) WITH {CUBE | ROLLUP} (7) HAVING (10) ORDER BY ---... 阅读全文
posted @ 2016-04-23 08:47 翼想天开的男孩 阅读(235) 评论(0) 推荐(0) 编辑