prepared 문을 사용하여 'Student'라는 테이블을 다음 데이터로 업데이트한 예를 따르면 이해할 수 있습니다. −
mysql> Select * from Student; +------+-------+ | Id | Name | +------+-------+ | 1 | Ram | | 2 | Shyam | | 3 | Mohan | +------+-------+ 3 rows in set (0.00 sec) mysql> PREPARE stmt11 FROM 'UPDATE Student SET Name = ? WHERE Id = ?'; Query OK, 0 rows affected (0.03 sec) Statement prepared mysql> SET @A = 'Sohan', @B = 3; Query OK, 0 rows affected (0.00 sec) mysql> EXECUTE Stmt11 USING @A, @B; Query OK, 1 row affected (0.05 sec) mysql> Select * from student; +------+-------+ | Id | Name | +------+-------+ | 1 | Ram | | 2 | Shyam | | 3 | Sohan | +------+-------+ 3 rows in set (0.00 sec)