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Linux下设置MySQL表名不区分大小写

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Release: 2016-06-07 16:08:00
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情景:公司近期在将数据库从Oracle转为MySQL,由于之前在Oracle中表名是不区分大小写,因此到MySQL中就出现了找不到表的问题,经

情景:公司近期在将数据库从Oracle转为MySQL,由于之前在Oracle中表名是不区分大小写,因此到MySQL中就出现了找不到表的问题,经上网查询,发现在Linux下MySQL的表名是区分大小写的,但是有参数可以使其不区分大小写。具体操作如下:

一、Linux中MySQL大小写详情:
1、数据库名严格区分大小写
2、表名严格区分大小写的
3、表的别名严格区分大小写
4、变量名严格区分大小写
5、列名在所有的情况下均忽略大小写
6、列的别名在所有的情况下均忽略大小写

二、设置MySQL表名不区分大小写
1、切换到root用户
$ su - root

2、修改/etc/my.cof配置文件,,
# sed -i '/mysqld/a\lower_case_table_names=1' /etc/my.cnf

lower_case_table_names参数详解:

  • 0:区分大小写
  • 1:不区分大小写
  • 3、重启MySQL
    # service mysqld restart

    4、查看mqsql参数
    # mysql -uroot -p
    > show variables like "%case%" ;
    +------------------------+-------+
    | Variable_name          | Value |
    +------------------------+-------+
    | lower_case_file_system | OFF  |
    | lower_case_table_names | 1    |
    +------------------------+-------+
    2 rows in set (0.00 sec)

    三、其他

    在Windows中,MySQL一直都是不区分大小写的。

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