摘要: SQL 里面最常用的命令是 SELECT 语句,用于检索数据。语法是: SELECT [ ALL | DISTINCT [ ON ( expression [, ...] ) ] ] * | expression [ AS output_name ] [, ...] [ INTO [ TEMPORARY | TEMP ] [ TABLE ] new_table ] [... 阅读全文
posted @ 2005-03-26 01:06 沉默天蝎的学习汇集 阅读(738) 评论(0) 推荐(0) 编辑