Hello all,
i have a process which reads 2 csv files into two different tables (thus there is no real primary key etc)
i need to update 1 column in one table (EnterpriseBuff er) with data from another table (EnterpriseProd GroupToAnalystD eptMap.AnalystD epartment). This is done where EnterpriseBuffe r.PG = EnterpriseProdG roupToAnalystDe ptMap.Enterpris ePG.
I attempted the following: - Update EnterpriseBuffer SET EnterpriseBuffer.AnalystDepartment =
-
(SELECT dbo.EnterpriseProdGroupToAnalystDeptMap.AnalystDepartment
-
FROM EnterpriseBuffer LEFT OUTER JOIN dbo.EnterpriseProdGroupToAnalystDeptMap ON dbo.[EnterpriseBuffer ].PG = dbo.EnterpriseProdGroupToAnalystDeptMap.EnterprisePG)
-
WHERE EnterpriseBuffer.PIPCode NOT IN (select buyingcode from AnalystBuffer)
However this fails due to:
Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression.
now i understand why this occurs, as the sub select returns 10700 rows, the same as a select * from EnterpriseBuffe r would return. i just need to update analystdepartme nt column for each row in EnterpriseBuffe r with the EnterpriseBuffe r version in EnterpriseProdG roupToAnalystDe ptMap.
This sounds very coimplicating i know, but please, any information or resolution to this would be helpful.
2  1572   deepuv04 227
Recognized Expert New Member
Hello all,
i have a process which reads 2 csv files into two different tables (thus there is no real primary key etc)
i need to update 1 column in one table (EnterpriseBuff er) with data from another table (EnterpriseProd GroupToAnalystD eptMap.AnalystD epartment). This is done where EnterpriseBuffe r.PG = EnterpriseProdG roupToAnalystDe ptMap.Enterpris ePG.
I attempted the following:
- Update EnterpriseBuffer SET EnterpriseBuffer.AnalystDepartment =
-
(SELECT dbo.EnterpriseProdGroupToAnalystDeptMap.AnalystDepartment
-
FROM EnterpriseBuffer LEFT OUTER JOIN dbo.EnterpriseProdGroupToAnalystDeptMap ON dbo.[EnterpriseBuffer ].PG = dbo.EnterpriseProdGroupToAnalystDeptMap.EnterprisePG)
-
WHERE EnterpriseBuffer.PIPCode NOT IN (select buyingcode from AnalystBuffer)
However this fails due to:
now i understand why this occurs, as the sub select returns 10700 rows, the same as a select * from EnterpriseBuffe r would return. i just need to update analystdepartme nt column for each row in EnterpriseBuffe r with the EnterpriseBuffe r version in EnterpriseProdG roupToAnalystDe ptMap.
This sounds very coimplicating i know, but please, any information or resolution to this would be helpful.
Try the following query......
Update EnterpriseBuffe r SET EnterpriseBuffe r.AnalystDepart ment =
(SELECT dbo.EnterpriseP rodGroupToAnaly stDeptMap.Analy stDepartment
FROM dbo.EnterpriseP rodGroupToAnaly stDeptMap
WHERE EnterprisePG = dbo.[EnterpriseBuffe r].PG)
WHERE EnterpriseBuffe r.PIPCode NOT IN (select buyingcode from AnalystBuffer)
Spot on!
Thanks alot, really appreciate that :D
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