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php-#1241-操作数应包含1列

在以下查询中,我试图为每个类别获取一张图像 SELECT l.* FROM ( SELECT id AS category_id, COALESCE( ( SELECT * FROM images li WHERE li.category_id = dlo.id ORDER BY

mysql-操作数应包含1列

这个问题已经在这里有了答案：            >            Operand Should Contain 1 Column – MySQL NOT IN                                    2个 SELECT topic_id FROM phpbb_topics AS t WHERE t.topic_id IN (

mysql触发器操作数应包含2列

我的触发器如下所示： begin IF ((NEW.tgebucht >= NEW.tteilnmax) AND (NEW.tgebucht!=0) AND (OLD.tstatus=0)) THEN SET NEW.tstatus = 1; ELSEIF ((NEW.tgebucht < NEW.tteilnmax) AND (OLD.tstatus=1)) THEN SET NEW.tstatus =0; END IF; IF ((0,25*NEW.tteilnmax)>=

MySQL错误1241：操作数应包含1列

我试图将table1中的数据插入table2 insert into table2(Name,Subject,student_id,result) select (Name,Subject,student_id,result) from table1; table2的关键是student_id. 假设没有任何重复. 我收到错误：MySQL错误1241：操作数应包含1列 table2中只有四列.解决方法:语法错误,从s

mysql – 操作数应该包含java中的1列

参见英文答案 > MySQL Syntax error message “Operand should contain 1 column(s)”                                    5个 String sql = "SELECT (Employee_name, Password) FROM employee WHERE (Employee_name = '"+name+"' AND Pas

mysql – ERROR 1241(21000)：执行查询时,操作数应包含1列

INSERT INTO People(Track_id_Reference) SELECT track_id FROM Tracks WHERE track_title IN (SELECT tracktitle FROM top100 WHERE artist IN (SELECT p.People_name, t.artist

错误#1241 – 操作数应包含Mysql中的1列

参见英文答案 > Operand Should Contain 1 Column – MySQL NOT IN                                    2个 我只是尝试以下查询： SELECT *, ( SELECT count(*) FROM users where users.email=calls.email

操作数应包含1列 – MySQL不在

SELECT * from campaigns WHERE id not in (SELECT e.id_campaign, d.name, d.frequency, d.country, d.referral, d.bid, d.status, COUNT(e.id) AS countcap FROM campaigns d LEFT JOIN served e ON d.id = e.id_campaign WHERE d.status