本文介绍了根据ID匹配IN db2,从一个表到另一个表的SQL更新的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
下面的查询适用于SQL sErver。但在DB2中,它不会产生结果:
The Query below is suited in SQL sErver. But in DB2 it does not give results:
Error is SQLCODE = -199, ERROR: ILLEGAL USE OF KEYWORD FROM.查询:
UPDATE Sales_Import SET Sales_Import.AccountNumber = RAN.AccountNumber FROM Sales_Import SI INNER JOIN RetrieveAccountNumber RAN ON SI.LeadID = RAN.LeadID有人可以澄清差异b / w DB2和SQL查询。
Can someone please clarify the differences b/w DB2 and SQL queries.
推荐答案我很确定(虽然我没有在一段时间内使用DB2 ),DB2仍然不支持更新语句中的连接,因此您需要使用 MERGE ;
I'm pretty sure (although I've not used DB2 in a while) that DB2 still does not support joins in update statements, so you'll need to use MERGE;
这样的东西(freehanding it因为我没有DB2可用,所以可能会稍微关闭);
Something like this (freehanding it since I don't have DB2 available, so may be slightly off);
MERGE INTO Sales_Import si USING (SELECT AccountNumber, LeadID FROM RetrieveAccountNumber) ra ON (si.LeadID = ra.LeadID) WHEN MATCHED THEN UPDATE SET AccountNumber = ra.AccountNumber更多推荐
根据ID匹配IN db2,从一个表到另一个表的SQL更新
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