摘要: ##### 获得表的字段数量 mysql> select count(1) from information_schema.columns where table_schema = 'mysql' and table_name='user'; + + | count(1) | + + | 45 | + + 1 row in set (0.00 sec) mysql> ###########查询服务 阅读全文
posted @ 2019-10-06 20:50 igoodful 阅读(386) 评论(0) 推荐(0) 编辑