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 'FROM employee e WHERE e.employeeJob = m.employeeJob' at line 3
时间: 2023-07-24 15:14:24 浏览: 45
非常抱歉,我之前的回答有误。正确的SQL语句如下所示:
```sql
UPDATE manager m
JOIN employee e ON e.employeeJob = m.employeeJob
SET m.employeeNo = e.employeeNo;
```
这条SQL语句使用了JOIN子句来连接employee和manager表,并根据employeeJob字段进行匹配。然后,使用SET语句将employee表的employeeNo字段的值更新到manager表的employeeNo字段中。请确保你的MySQL服务器版本支持此语法,并确保employee表和manager表之间有相应的关联条件。
相关问题
以上代码为什么会出现这样的报错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 'DECLARE sale_count INT; SELECT COUNT(*) INTO sale_count FROM Sale WHERE Ord' at line 7
这个报错是因为MySQL中不支持在触发器中使用DECLARE语句,你需要将其移动到BEGIN语句之前。可以参考以下修改后的代码:
```
CREATE TRIGGER after_order_complete1
AFTER UPDATE ON Order_dd
FOR EACH ROW
BEGIN
DECLARE sale_count INT;
IF NEW.Order_status = '已完成' THEN
-- 判断销售表中是否已经存在相同的销售记录
SELECT COUNT(*) INTO sale_count FROM Sale WHERE Order_id = NEW.Order_id AND Product_id = NEW.Product_id;
IF sale_count = 0 THEN
-- 插入一条新的销售记录
INSERT INTO Sale (Product_id, Order_id, Order_date, Employee_id, Customer_id, Sale_num, Sale_amount)
VALUES (NEW.Product_id, NEW.Order_id, NEW.Order_date, FLOOR(RAND() * (4 - 1 + 1)) + 1, NEW.Customer_id, NEW.Product_num, NEW.Order_price);
END IF;
-- 更新销售表中对应的订单的产品ID
UPDATE Sale SET Product_id = NEW.Product_id WHERE Order_id = NEW.Order_id;
END IF;
END;
```
在修改后的代码中,我将DECLARE语句移到了BEGIN语句之前,以解决报错问题。
SELECT company.id, company.name, employee.c_id, employee.name FROM company LEFT JOIN employee ON company.id = employee.c_id WHERE company.id = #{id} > 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 4
根据您提供的 SQL 语句,错误在于您在末尾使用了 `>` 符号,这是不正确的语法。您可以将其删除,将 SQL 语句修改为:
```
SELECT company.id, company.name, employee.c_id, employee.name
FROM company
LEFT JOIN employee ON company.id = employee.c_id
WHERE company.id = #{id}
```
这个修改后的 SQL 语句应该可以正常执行。
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