可以通过以下示例来理解,在该示例中我们使用准备好的语句创建了名为“Student”的表 -
mysql> PREPARE stmt3 FROM 'CREATE TABLE Student(Id INT, Name Varchar(20))'; Query OK, 0 rows affected (0.00 sec) Statement prepared mysql> EXECUTE stmt3; Query OK, 0 rows affected (0.73 sec) mysql> DEALLOCATE PREPARE stmt3; Query OK, 0 rows affected (0.00 sec)
现在,在使用准备好的语句进行以下查询的帮助下,我们可以在表“Student”中插入值
-
mysql> PREPARE stmt7 FROM 'INSERT INTO Student(Id,Name) values(?,?)'; Query OK, 0 rows affected (0.00 sec) Statement prepared mysql> SET @A= 1, @B = 'Ram'; Query OK, 0 rows affected (0.00 sec) mysql> EXECUTE stmt7 using @A, @B; Query OK, 1 row affected (0.04 sec) mysql> SET @A = 2, @B = 'Shyam'; Query OK, 0 rows affected (0.00 sec) mysql> EXECUTE stmt7 using @A, @B; Query OK, 1 row affected (0.08 sec) mysql> SET @A = 3, @B = 'Mohan'; Query OK, 0 rows affected (0.00 sec) mysql> Select * from Student; +------+-------+ | Id | Name | +------+-------+ | 1 | Ram | | 2 | Shyam | | 3 | Mohan | +------+-------+ 3 rows in set (0.00 sec)

= 1, @B = 'Ram';
Query OK, 0 rows affected (0.00 sec)
mysql> EXECUTE stmt7 using @A, @B;
Query OK, 1 row affected (0.04 sec)
mysql> SET @A = 2, @B = 'Shyam';
Query OK, 0 rows affected (0.00 sec)
mysql> EXECUTE stmt7 using @A, @B;
Query OK, 1 row affected (0.08 sec)
mysql> SET @A = 3, @B = 'Mohan';
Query OK, 0 rows affected (0.00 sec)
mysql> Select * from Student;
+------+-------+
| Id | Name |
+------+-------+
| 1 | Ram |
| 2 | Shyam |
| 3 | Mohan |
+------+-------+
3 rows in set (0.00 sec)






