1、lower_case_table_names 含义
如果设置为0,表名将按指定方式存储,并且比较区分大小写。
如果设置为1,表名称以小写形式存储在磁盘上,比较不区分大小写。
1.1 查看 lower_case_table_names 的配置
mysql>show variables like 'lower_case_table_names'; +-------------------------+-----------------+ | Variable_name | Value | +-------------------------+-----------------+ | lower_case_table_names | 1 | +-------------------------+-----------------+ 返回行数:[1],耗时:14 ms. mysql>create table a(id int primary key); 执行成功,耗时:16 ms. mysql>select * from A; +--------------+ | id | +--------------+ 返回行数:[0],耗时:9 ms. mysql>set lower_case_table_names = 0; Variable 'lower_case_table_names' is a read only variable
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