10 2008 档案

sql select语句详解
摘要：SELECT [ ALL | DISTINCT [ ON ( expression [, ...] ) ] ] * | expression [ AS output_name ] [, ...] [ FROM from_item [, ...] ] [ WHERE condition ] [ GROUP BY expression [, ...] ] [ HAVING condition [, .... 阅读全文
posted @ 2008-10-30 22:01 pomp 阅读(56361) 评论(0) 推荐(0)