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  • MySQL从本地向数据库导入数据

    本文来自:https://www.cnblogs.com/lettuce-u/p/10715795.html(自己收藏看)

    • 在localhost中准备好了一个test数据库和一个pet表:在电脑中准备一个pet.txt文件,里面包含想要导入到pet表的数据。(文件中一行代表一条数据,一条数据中的属性用Tab键隔开)
      1. 复制代码
        mysql> SHOW DATABASES;
        +--------------------+
        | Database           |
        +--------------------+
        | information_schema |
        | test               |
        +--------------------+
        2 rows in set (0.01 sec)
        
        mysql> USE test
        Database changed
        mysql> SHOW TABLES;
        +----------------+
        | Tables_in_test |
        +----------------+
        | pet            |
        +----------------+
        1 row in set (0.01 sec)
        复制代码
    • 向pet表载入pet.txt中的数据:
      1. mysql> LOAD DATA LOCAL INFILE 'E:Desktoppet.txt' INTO TABLE pet;
        ERROR 1148 (42000): The used command is not allowed with this MySQL version

        ERROR原因:服务器端,local_infile默认开启,客户端local_infile默认关闭,因此用的时候需要打开它

      2. 复制代码
        mysql> SHOW VARIABLES like 'local_infile';
        +---------------+-------+
        | Variable_name | Value |
        +---------------+-------+
        | local_infile  | OFF   |
        +---------------+-------+
        1 row in set, 1 warning (0.04 sec)
        复制代码

        开启local_infile:(开启后,再次执行SHOW VARIABLES like 'local_infile'会看到Value为ON)

      3. mysql> SET GLOBAL local_infile=ON;
        Query OK, 0 rows affected (0.00 sec)

        重新载入:

      4. mysql> LOAD DATA LOCAL INFILE 'E:Desktoppet.txt' INTO TABLE pet;
        ERROR 2 (HY000): File 'E:Desktoppet.txt' not found (OS errno 2 - No such file or directory)

        ERROR原因:路径应使用'/'   , 重新载入:

      5. mysql> LOAD DATA LOCAL INFILE 'E:/Desktop/pet.txt' INTO TABLE pet;
        Query OK, 8 rows affected, 7 warnings (0.02 sec)
        Records: 8  Deleted: 0  Skipped: 0  Warnings: 7  

        载入完毕,查看载入成功后的pet表: ψ(`∇´)ψ

      6. 复制代码
        mysql> select * from pet;
        +----------+--------+---------+------+------------+------------+
        | name     | owner  | species | sex  | birth      | death      |
        +----------+--------+---------+------+------------+------------+
        | Fluffy   | Harold | cat     | f    | 1993-02-04 | 0000-00-00 |
        | Claws    | Gwen   | cat     | m    | 1994-03-17 | 0000-00-00 |
        | Buffy    | Harold | dog     | f    | 1989-05-13 | 0000-00-00 |
        | Fang     | Benny  | dog     | m    | 1990-08-27 | 0000-00-00 |
        | Bowser   | Diane  | dog     | m    | 1979-08-31 | 1995-07-29 |
        | Chirpy   | Gwen   | bird    | f    | 1998-09-11 | 0000-00-00 |
        | Whistler | Gwen   | bird    |      | 1997-12-09 | 0000-00-00 |
        | Slim     | Benny  | snake   | m    | 1996-04-29 | 0000-00-00 |
        +----------+--------+---------+------+------------+------------+
        8 rows in set (0.00 sec
        复制代码
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  • 原文地址:https://www.cnblogs.com/lj520fj/p/10738634.html
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