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MYSQL常用命令操作

1:使用SHOW语句找出在服务器上当前存在什么数据库: mysql> SHOW DATABASES;

2:2、创建一个数据库MYSQLDATA mysql> CREATE DATABASE MYSQLDATA;

3:选择你所创建的数据库 mysql> USE MYSQLDATA; (按回车键出现Database changed 时说明操作成功!)

4:查看现在的数据库中存在什么表 mysql> SHOW TABLES;

5:创建一个数据库表 mysql> CREATE TABLE MYTABLE (name VARCHAR(20), sex CHAR(1));

6:显示表的结构: mysql> DESCRIBE MYTABLE;

7:往表中加入记录 mysql> insert into MYTABLE values (”hyq”,”M”);

8:用文本方式将数据装入数据库表中(例如D:/mysql.txt) mysql> LOAD DATA LOCAL INFILE “D:/mysql.txt” INTO TABLE MYTABLE;

9:导入.sql文件命令(例如D:/mysql.sql) mysql>use database; mysql>source d:/mysql.sql;

10:删除表 mysql>drop TABLE MYTABLE;

11:清空表 mysql>delete from MYTABLE;

12:更新表中数据 mysql>update MYTABLE set sex=”f” where name=’hyq’;

13:向表中添加记录 insert into表名values (“data”,”data”)

14:删除数据库表中的记录 delete from表名where

15:修改数据表里的内容  update MYTABLE set sex=”f” where name=’hyq’;

16: 查看mysql正在运行的现成 show processlist

 


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