mysql_ Case insensitive

1 see mysql Case setting parameter values

show variables like 'lower_case_table_names';

 value=1： Case insensitive

 value=0： Case sensitive

 2 Pass parameter cannot be set

set global lower_case_table_names=1;    -- Set case insensitive

ERROR 1238 (HY000): Variable 'lower_case_table_names' is a read only variable

set lower_case_table_names=1;    -- Set case insensitive

set global lower_case_table_names=1;    -- Set case insensitive

This parameter is read-only , It can only be modified through the configuration file

3 Modify... Through configuration file

3.1 find my.cnf file ：vi /etc/my.cnf

3.2  Add the following sentence to the last line of the document

        lower_case_table_names=1

3.3 restart mysql：

systemctl restart mysqld