Drop database return “Error dropping database errno: 66” in MySQL

May 6, 2023 by Tarik

mysql> drop database DB_NAME; 
ERROR 1010 (HY000): Error dropping database 
(can't rmdir './DB_NAME', errno: 66)

Find the database directory:
mysql -e "select @@datadir" -> /usr/local/mysql/data/
Go to the DataBase folder: cd /usr/local/mysql/data/
Delete DB folder of the DB with the issue (in this case: sudo rm -rf DB_NAME)