php - 在 phpmyadmin 中创建触发器

Question

我正在尝试在我的 mysql 数据库表上创建一个触发器。我正在编写以下代码:

CREATE TRIGGER before_delete BEFORE DELETE ON billingrates FOR EACH ROW;

但是当我运行这个时，我收到以下错误:

#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 2

请指导我。感谢期待。

Answer 1

请尝试以下代码。

CREATE TRIGGER `before_delete` BEFORE DELETE ON `barcode_master` 
FOR EACH ROW BEGIN 
UPDATE library_emp_master SET job_type = 1 WHERE barcode_no =   OLD.barcode_no; 
END;