mysql 전체 테이블 삭제

SET FOREIGN_KEY_CHECKS = 0;

SET GROUP_CONCAT_MAX_LEN=32768;

SET @tables = NULL;

SELECT GROUP_CONCAT('`', table_name, '`') INTO @tables

  FROM information_schema.tables

  WHERE table_schema = (SELECT DATABASE());

SELECT IFNULL(@tables,'dummy') INTO @tables;

SET @tables = CONCAT('DROP TABLE IF EXISTS ', @tables);

PREPARE stmt FROM @tables;

EXECUTE stmt;

DEALLOCATE PREPARE stmt;

SET FOREIGN_KEY_CHECKS = 1;