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SQL Select UNION add database name

Posted on 2013-12-09
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Last Modified: 2013-12-10
I am creating several UNION queries to eventually combine data from 3 different company databases.

One of the current queries looks like this:

SELECT     DocEntry, DocNum, DocType, CANCELED, DocStatus, DocDate, CardCode, CardName, NumAtCard, DocTotal, GrosProfit, Ref1, VatSumSy, DiscSumSy, TaxDate,
                      ShipToCode, OwnerCode, SlpCode
FROM         OINV
UNION ALL
SELECT     DocEntry, DocNum, DocType, CANCELED, DocStatus, DocDate, CardCode, CardName, NumAtCard, DocTotal, GrosProfit, Ref1, VatSumSy, DiscSumSy, TaxDate,
                      ShipToCode, OwnerCode, SlpCode
                     
FROM ORIN      

I want to add the database name or the company name to all queries so I can later combine them or pull the data from each company  separately.

If I can't get the database name, a column with a text field for each would be fine.
I just need to add it to every query. ie: "ABC" "XYZ" or "MMM"

How can I do this?
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Question by:actsoft
6 Comments
 
LVL 34

Expert Comment

by:Brian Crowe
ID: 39706982
Perhaps I'm over-simplifying it but...

SELECT     'OINV' AS Source, DocEntry, DocNum, DocType, CANCELED, DocStatus, DocDate, CardCode, CardName, NumAtCard, DocTotal, GrosProfit, Ref1, VatSumSy, DiscSumSy, TaxDate,
                      ShipToCode, OwnerCode, SlpCode
FROM         OINV
UNION ALL
SELECT     'ORIN', DocEntry, DocNum, DocType, CANCELED, DocStatus, DocDate, CardCode, CardName, NumAtCard, DocTotal, GrosProfit, Ref1, VatSumSy, DiscSumSy, TaxDate,
                      ShipToCode, OwnerCode, SlpCode
                     
FROM ORIN
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LVL 11

Expert Comment

by:Angelp1ay
ID: 39707027
That's exactly what I understood from the question too BriCrowe!
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LVL 66

Accepted Solution

by:
Jim Horn earned 2000 total points
ID: 39707058
--- What's the current database name?
SELECT db_name()

Also, where you have OINV and ORIN, usually if you're sporting a cross-database query the label is handled above, and you have to spell out database name.schema name.object name (or just database name..object name if it's the default schema), like this ...

SELECT 'OINV' AS Source, DocEntry, DocNum, DocType, CANCELED, DocStatus, DocDate, CardCode, CardName, NumAtCard, DocTotal, GrosProfit, Ref1, VatSumSy, DiscSumSy, TaxDate, ShipToCode, OwnerCode, SlpCode
FROM OINV..SomeTable
UNION ALL
SELECT  'ORIN', DocEntry, DocNum, DocType, CANCELED, DocStatus, DocDate, CardCode, CardName, NumAtCard, DocTotal, GrosProfit, Ref1, VatSumSy, DiscSumSy, TaxDate, 
ShipToCode, OwnerCode, SlpCode
FROM ORIN..SomeTable

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Author Comment

by:actsoft
ID: 39707082
The SELECT db_name(), worked perfectly. Thanks
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Author Closing Comment

by:actsoft
ID: 39708809
worked perfectly, thanks
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LVL 66

Expert Comment

by:Jim Horn
ID: 39708960
Thanks for the grade, although I'm guessing BriCrowe's comment may have helped too.
Good luck with your project.  

Jim
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