mysql备份表结构和数据 方法一. Create table new_table_nam备份到新表:MYSQL不支持: Select * Into new_table_name from old_table_name; 替代方法: create table tb2 select c1,c2,c3 from tb1 group by c1,c2,c3; 方法二.insert into newtable select * from oldtable; 1. 语法介绍有三张表a.b.c,现在需要从表
查看MySQL是否启用了查看慢SQL的日志文件 (1) 查看慢SQL日志是否启用 mysql> show variables like 'log_slow_queries'; +------------------+-------+| Variable_name | Value |+------------------+-------+| log_slow_queries | ON |+------------------+-------+1 row in set (0.00 sec
http://qq85609655.iteye.com/blog/2113960 1)我们先通过status命令查看Mysql运行状态 mysql> status; -------------- mysql Ver 14.14 Distrib 5.1.73, for redhat-linux-gnu (x86_64) using readline 5.1 Connection id: 113752 Current database: information_schema Current user