如何在 MySQL 表中建立儲存過程來插入值?
我們可以使用帶 IN 運算子的儲存過程在 MySQL 表中插入值。為了理解這一點,我們以一個名為“student_info”的表為例,其中有以下資料——
mysql> Select * from student_info; +------+---------+-----------+------------+ | id | Name | Address | Subject | +------+---------+-----------+------------+ | 100 | Aarav | Delhi | Computers | | 101 | YashPal | Amritsar | History | | 105 | Gaurav | Jaipur | Literature | | 110 | Rahul | Chandigarh | History | +------+---------+------------+------------+ 4 rows in set (0.00 sec)
現在,透過按照如下方式建立名為“insert_studentinfo”的儲存過程,我們可以將值插入“student_info”表——
mysql> DELIMITER // ; mysql> Create PROCEDURE insert_studentinfo(IN p_id int, IN p_name varchar(20),IN p_Address Varchar(20), IN p_subject Varchar(20)) -> BEGIN -> insert into student_info(id, name, address, subject) values (p_id, p_name,p_address, p_subject); -> END // Query OK, 0 rows affected (0.09 sec)
現在,按照如下方式,用我們想要插入到表中的值呼叫該過程——
mysql> CALL insert_studentinfo(125,'Raman','Bangalore','Computers')// Query OK, 1 row affected (0.78 sec) mysql> DELIMITER ; // mysql> Select * from Student_info; +-----+---------+------------+------------+ | id | Name | Address | Subject | +-----+---------+------------+------------+ | 100 | Aarav | Delhi | Computers | | 101 | YashPal | Amritsar | History | | 105 | Gaurav | Jaipur | Literature | | 110 | Rahul | Chandigarh | History | | 125 | Raman | Bangalore | Computers | +------+---------+------------+-----------+ 5 rows in set (0.00 sec)
以上結果集顯示這些值已插入表中。
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