摘要：select TIMESTAMPDIFF(DAY, '2015-04-20 00:00:00', '2015-04-20 23:59:59');# 只要不足24小时 为0天 select TIMESTAMPDIFF(DAY, '2015-04-20 10:00:00', '2015-04-21 10 阅读全文

摘要：1、查询数据库中所有表名select table_name from information_schema.tables where table_schema='csdb' and table_type='base table';2、查询指定数据库中指定表的所有字段名column_nameselec 阅读全文

摘要：在Mysql集群中创建用户时、出现如下错误！ mysql> create user 'testuse'@'localhost' identified by '111111'; ERROR 1290 (HY000): The MySQL server is running with the --ski 阅读全文