这样就解决了一个错误,但现在它返回超过1行。我不太确定这有多糟糕。我刚刚开始理解MySQL并尝试书中的例子。SELECT S.sname WHERE ( (SELECT C.pid FROMcatalog C WHERE C.sid = S.sid)
ERROR1242 (21000): Subque
"SELECT * FROM klms as Klm WHERE gcil_id = (SELECT id FROM gcils WHERE genre = 'Clothes')"Error: SQLSTATE[21000]: Cardinality violation: 1242Subquery</
I查询sql如下所示:select name from IDCA where stId='$liId';JohnShansaStockupdate IDCB set allName=(select name from IDCA where stId='$liId') where stId='$liId';ERROR1242 (<em
您好,我有一个mysql查询来获取许多id(StudentID),如下所示from remittedfees t1 where t2.studentID=t1.studentID) = (select sum(t3.remittedAmt)remittedfees t3
where t3.studentID =
我的结果总是来自MySQL:ERROR1242 (21000): Subquery returns more than 1 row的错误PREPARE query FROM 'INSERT INTO tmpTable (client_program, ref_client, ref_household) SELECT ref_client_p
我希望在MySQL中为另一个表中存在的所有值更新列的值,但是当我尝试这样做时,我得到了以下错误。我如何才能做到这一点?update table1 set value = "0" where url = (select * from url_list) ;
ERROR1242 (21000): Subquery returns