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  • mysql 1

    //drop database <数据库名>;
    mysql -uroot -p(密码)
    CREATE DATABASE IF NOT EXISTS RUNOOB DEFAULT CHARSET utf8 COLLATE utf8_general_ci;

    show databasees;
    use 库名;
    //进入库

    show tables;
    //查看说有表
    CREATE TABLE IF NOT EXISTS `runoob_tbl`(
       `runoob_id` INT UNSIGNED AUTO_INCREMENT,
       `runoob_title` VARCHAR(100) NOT NULL,
       `runoob_author` VARCHAR(40) NOT NULL,
       `submission_date` DATE,
       PRIMARY KEY ( `runoob_id` )
    )ENGINE=InnoDB DEFAULT CHARSET=utf8;

    desc 表名; //查看表
    DROP TABLE table_name ;   //删除表
    //插入数据
    INSERT INTO runoob_tbl
    (runoob_title, runoob_author, submission_date)
    values
    ("学习 PHP", "菜鸟教程", NOW());
    INSERT INTO runoob_tbl 
    (runoob_title, runoob_author, submission_date)
    values
    ("学习 Java", "菜鸟教程", NOW());
    INSERT INTO runoob_tbl 
    (runoob_title, runoob_author, submission_date)
    values
    ("学习 HTML", "菜鸟教程", NOW());
     
    select * from runoob_tbl;   //读取表数据
     
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  • 原文地址:https://www.cnblogs.com/dianzan/p/9768284.html
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