1. 解释错误代码1241的含义 错误代码1241是MySQL中的一个常见错误,它的完整信息是“Operand should contain 1 column(s)”。这个错误通常出现在执行SQL查询时,尤其是涉及到比较、赋值或子查询等操作时,如果操作数(operand)包含的列数不符合预期(预期为1列),就会触发这个错误。
Other than these 2, the OUT in the arguements should not even appear. So, there are only 2 INs code: create procedure copy_table(IN old varchar(64), IN new varchar(64))Navigate: Previous Message• Next Message Options: Reply• Quote Subject...
这个问题是解析的时候Oracle不知道select num from table_number where dwdm='111' and rownum<=1 是唯一啊，他按照语法解析而已。可以换成以下的：SELECT ((SELECT num FROM table_number WHERE dwdm = '111' AND rownum <= 1) - (SELECT SUM(ds) FROM table_data WHERE dw...
vi Chapter 1 MySQL Error Reference This document provides a reference for the various types of error messages in MySQL: • Error messages produced only by the server: Chapter 2, Server Error Message Reference On the server side, error messages may occur during the startup and shutdown ...
Description:Comparison Operators between Row Constructor Expression and Subquery not supported fully: mysql> select * from t1 where row(a,b) > any(select a-1,b-1 from t2 ); ERROR 1241 (21000): Operand should contain 1 column(s) but mysql> select * from t1 where row(a,b) = any(sele...
MySQL错误代码大全 本章列出了当你用任何主机语言调用MySQL时可能出现的错误。首先列出了服务器错误消息。其次列出了客户端程序消息 B.1. 服务器错误代码和消息 服务器错误信息来自下述源文件: · 错误消息信息列在share/errmsg.txt文件中。“%d”和“%s”分别代表编号和字符串,显示时,它们将被消息值取代。 ·...
vi Chapter 1 MySQL Error Reference This document provides a reference for the various types of error messages in MySQL: • Error messages produced only by the server: Chapter 2, Server Error Message Reference On the server side, error messages may occur during the startup and shutdown ...
错误:1241 SQLSTATE: 21000 (ER_OPERAND_COLUMNS) 消息:操作数应包含%d列。 错误:1242 SQLSTATE: 21000 (ER_SUBQUERY_NO_1_ROW) 消息:子查询返回1行以上。 错误:1243 SQLSTATE: HY000 (ER_UNKNOWN_STMT_HANDLER) 消息:指定给%s的未知预处理语句句柄。
Now it is giving SQL Error (1241): Operand should contain 1 column(s) in MySQL 5.7.16 but execute successfully on MySQL 5.5.51. Under MySQL 5.5.51 === update T_FTR tf inner join ( select min(itf.FTRId) as minftrid, itf.NMId, itf.FTRIdentifier from T_FTR itf where itf...
Hi there, I hope your help. My query in mysql: mysql> SET @flightspec = 'DI'; SELECT ( ( ( SELECT @flightspec, tCurrentYear FROM `tTFlight` WHERE 1 AND CASE WHEN LENGTH(@flightspec)= 2 THEN flightZone = CONCAT(@flightspec, '00') WHEN LENGTH(@flightspec)= 1 THEN flightZone ...