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)
以上就是如何使用准备语句更新表?的详细内容,更多请关注每日运维网(www.mryunwei.com)其它相关文章!