lower_case_table_names:
-
Is set to 0: table name as you write SQL storage case, uppercase lowercase to uppercase to lowercase, the comparison is case sensitive.
-
Set to 1: table name stored in the hard disk after transfection, lowercase, case-insensitive comparison.
- Set to 2: Table name as you write SQL storage case, uppercase lowercase to uppercase to lowercase, when compared to relatively unified turn lowercase.