为什么这个查询不起作用？以这种方式 DELETE FROM recent_edits
WHERE trackid NOT IN
(select * from (SELECT DISTINCT history.trackid
FROM history JOIN recent_edits ON history.trackid=recent_edits.trackid
G
我想增加'sellingDate'字段在'公司'表中。 UPDATE company
SET sellingDate = ((SELECT DATE_ADD((SELECT sellingDate
FROM company
WHERE cid = '35'), INTERVAL 1 DAY)))
WHERE cid = '35'
正在试图删除删除与子查询的几个条目使用以下查询： 首先，我找到这些条目，我想用这个查询删除： SELECT guid FROM account GROUP BY guid,type HAVING count(type) > 1);
然后我这个查询添加到DELETE语句： DELETE FROM account WHERE guid IN (SELECT guid FROM account GR
我通过选择表中最高的final_id并添加+1来更新final_id时遇到问题。 下面的查询输出错误：“您不能指定目标表‘customer_orders’在FROM子句更新”，我黯然不明白为什么.. UPDATE customer_orders
SET final_id = (SELECT final_id FROM customer_orders ORDER BY final_id D
我知道这是一个简单的语法问题。试图从一个子查询中删除所有用户： delete from users
where id IN (
select u.id
from users u
where not exists (select * from stickies i where i.user_id = u.id)
group by u.email
having count(*) > 1
我有查询，如： UPDATE nilai_mhs
SET status_nilai = 3
where
id_kode_mk =
(SELECT e.id_kode_mk
FROM nilai_mhs c, tbl_mhs d,master_mk e,tbl_mk_pertahun f
WHERE
c.nim = d.nim
AND
c.id_kode_mk = e.id_kod
我有以下HQL查询： UPDATE TaskAssessment taskAssessment
SET taskAssessment.activeFlag = false
WHERE taskAssessment IN
(
SELECT taskAssessment2
FROM TaskAssessment taskAssessment2
Where taskAssessment2.ac