Mysql修改lower_case_table_names

mysql server有個參數叫做 lower_case_table_names，控制表名、字段名的大小寫
它可以有3個值：
0：大小寫敏感
1：比較名字時 忽略大小寫，但創建表時，大寫字母也轉為小寫字母。
2：比較名字時 忽略大小寫，創建表時，維持原樣。

查看：

 

[root@bbmg-law-test-01 ~]# mysql -uroot -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 1745
Server version: 5.7.33 MySQL Community Server (GPL)

Copyright (c) 2000, 2021, Oracle and/or its affiliates.

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.

mysql> use mysql;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed
mysql> show variables like 'lower_case_table_names'; +------------------------+-------+
| Variable_name          | Value |
+------------------------+-------+
| lower_case_table_names | 0     |
+------------------------+-------+
1 row in set (0.00 sec)

 

 

修改：

在my.cnf配置文件中[mysqld]標簽的作用區域，增加lower_case_table_names=1的配置，然后重啟MySQL服務

[root@bbmg-law-test-01 ~]# vim /etc/my.cnf

在mysqld下 添加或修改 lower_case_table_names = 1

[root@bbmg-law-test-01 ~]# service mysqld restart

 

再次查看：