如何将表2中某字段值汇总求和,存入表1中的某字段中?求实现该查询的sql语句

2025-04-07 22:00:03
推荐回答(1个)
回答1:

UPDATE T1
SET T1.PRICE =
(SELECT PRICE
FROM (SELECT ID, SUM(PRICE) PRICE FROM T2 GROUP BY ID) T2
WHERE T1.ID = T2.ID);
COMMIT;