表名问题

lower_case_file_system

System VariableNamelower_case_file_systemVariable ScopeGlobalDynamic VariableNoPermitted ValuesTypeboolean

This variable describes the case sensitivity of file names on the file system where the data directory is located.OFFmeans file names are case sensitive,ONmeans they are not case sensitive. This variable is read only because it reflects a file system attribute and setting it would have no effect on the file system.



https://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html#sysvar_lower_case_table_names