Mysql
RedHat AS 5上安裝MYSQL5.0數據庫,新創建一個數據庫名爲netdb;創建一個數據表爲netuser;字段類型爲username char(20),truename char(20),age int;請將參加比賽的人員信息插入到netuser表中。
#rpm -qa |grep mysql
#service mysqld restart
#mysql//登錄
mysql>create database netdb;//創建數據庫netdb,刪除 drop database netdb;
mysql>show databases;//查看已創建的數據庫
mysql>use netdb//選擇數據庫
mysql>create table netuser (//創建表 刪除表 drop table netuser;
>username char(20),
>truename char(20),
>age int);
mysql>describe netuser;//查看錶的結構
mysql>insert into netuser values ('qi','shiqi','21'); //添加數據
mysql>select * from netuser;//查看錶中的數據
成功!
知識點:
創建teacher教師表,存放教師有關信息,可輸入如下命令:
mysql>create table teacher (
teacherID varchar(10) not null ,
name varchar(20) not null ,
sex char(1) default 'm' ,
birthday date ,
department char(20) ,
primary key (teacherID)
);