How to make mysql Case insensitive

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Give Way mysql Case insensitive method ：1、 Get into mysql Installation directory , Find and open the configuration file “my.ini”;2、 Add... To the last line of the configuration file “lower_case_table_names=1” sentence , Set case sensitive parameters “lower_case_table_names”, Give Way mysql Case insensitive ;3、 restart mysql The service can be .

The operating environment of this tutorial ：windows7 System 、mysql8 edition 、Dell G3 The computer .

Give Way mysql Case insensitive method

mysql Case sensitive configuration is related to two parameters —— lower_case_file_system and lower_case_table_names

• lower_case_file_system： Indicates whether the current system file is case sensitive （ON Is not sensitive ,OFF For sensitive ）, Read only parameters , Can't modify .

• lower_case_table_names： Indicates whether the table name is case sensitive , You can modify .

lower_case_file_system Parameter cannot be modified , So we can only use lower_case_table_names Parameters to make mysql Case insensitive .

step ：

1、 Get into mysql Installation directory , Find and open the configuration file my.ini

2、 Add the following sentence to the last line of the configuration file

lower_case_table_names=1

lower_case_file_system Indicates whether the file system where the data directory is located is sensitive to the case of the file name

• 0： Case sensitive

• 1： Case insensitive

3、 restart mysql The service can be .

matters needing attention ：

Default lower_case_tables_name by 0 Set to 1, You need to convert the existing library table name to lowercase ：

1） For the case where only uppercase letters exist in the table name ：

①、lower_case_tables_name=0 when , perform rename table In lowercase .

②、 Set up lower_case_tables_name=1, Restart and take effect .

2） Case where the library name exists ：

①、lower_case_tables_name=0 when , Use mysqldump export , And delete the old database .

②、 Set up lower_case_tables_name=1, Restart and take effect .

③、 Import data to instance , At this point, the library name containing uppercase letters has been converted to lowercase .

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