• Django笔记-MySQL初次使用设置


    以下为个人学习时的笔记,正在完善中。。。。。。。。。。。

    【1】启动服务

    [root@bogon /]# service mysqld start
    正在启动 mysqld: [确定]

    [root@bogon /]# mysql
    Welcome to the MySQL monitor. Commands end with ; or g.
    Your MySQL connection id is 2
    Server version: 5.1.73 Source distribution

    Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.

    Oracle is a registered trademark of Oracle Corporation and/or its
    affiliates. Other names may be trademarks of their respective
    owners.

    Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.


    【2】查看默认设置
    mysql> select user,host,password from mysql.user;
    +------+-----------+----------+
    | user | host | password |
    +------+-----------+----------+
    | root | localhost | |
    | root | bogon | |
    | root | 127.0.0.1 | |
    | | localhost | |
    | | bogon | |
    +------+-----------+----------+
    5 rows in set (0.00 sec)

    mysql>

    【3】设置root用户密码
    mysql> update mysql.user set password=PASSWORD('djg123')where User='root';
    Query OK, 3 rows affected (0.01 sec)
    Rows matched: 3 Changed: 3 Warnings: 0

    mysql>

    【4】更改成功
    mysql> select user,host,password from mysql.user;
    +------+-----------+-------------------------------------------+
    | user | host | password |
    +------+-----------+-------------------------------------------+
    | root | localhost | *2BE7655D6B576E2BBC1D1ECF9261F72CD0FCB539 |
    | root | bogon | *2BE7655D6B576E2BBC1D1ECF9261F72CD0FCB539 |
    | root | 127.0.0.1 | *2BE7655D6B576E2BBC1D1ECF9261F72CD0FCB539 |
    | | localhost | |
    | | bogon | |
    +------+-----------+-------------------------------------------+
    5 rows in set (0.00 sec)

    mysql>

    【5】查看有哪些数据库
    mysql> show database;
    ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'database' at line 1
    mysql> show databases;
    +--------------------+
    | Database |
    +--------------------+
    | information_schema |
    | mysql |
    | test |
    +--------------------+
    3 rows in set (0.02 sec)

    【6】使用test数据库,作为测试样例
    mysql> use test;
    Database changed


    mysql> show tables;
    Empty set (0.01 sec)

    【创建表格,并插入数据】
    mysql> create table user (name varchar(20),password char(20),id int(5));
    Query OK, 0 rows affected (0.03 sec)

    mysql> insert into user values('Tom','tomok',5);
    Query OK, 1 row affected (0.00 sec)


    mysql> select * from user;
    +------+----------+------+
    | name | password | id |
    +------+----------+------+
    | Tom | tomok | 5 |
    +------+----------+------+
    1 row in set (0.00 sec)


    mysql> quit
    Bye

  • 相关阅读:
    矩阵快速幂模板C++
    异或空间与高斯消元
    POJ2947解题报告
    Manacher算法笔记 C++
    Python(80)_使用selenium实现第一个web自动化程序
    Python(78)_认识selenium自动化测试
    111
    Python(60)_闭包
    Python(55)_默认参数的陷阱
    Python(53)_实现一个加法计数器
  • 原文地址:https://www.cnblogs.com/chinas/p/4360982.html
Copyright © 2020-2023  润新知