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Join Query

Posted on 2012-03-12
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Last Modified: 2012-03-12
I have an inner join query that not's pulling the data that I need. It needs to pull one record where the int = 14 in the tblOnlineAAPAdjusters table.  But it's pulling all the record id's that have joined by vchConfirmNum and vchPaymentNum.  How can I get it to pull that one value?

Select vchRecordID
	from tblAAPPayment p
	join tblOnlineAAPAdjusters a on a.vchConfirmNum = p.vchPaymentNum 
	where a.intID = '14'

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Question by:dlavar
8 Comments
 
LVL 40

Assisted Solution

by:Kyle Abrahams
Kyle Abrahams earned 167 total points
ID: 37710371
is a.intID an actual integer?  If so don't wrap it in quotes.

Select vchRecordID, a.intID
      from tblAAPPayment p
      join tblOnlineAAPAdjusters a on a.vchConfirmNum = p.vchPaymentNum
      where a.intID = 14 -- NO QUTOES


Also added the a.intID column for now to ensure you're not needing other filters.  Is there only one record where a.intID = 14?
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Author Comment

by:dlavar
ID: 37710445
Yes it's only one value that = 14.  I removed the quotes and it's still pulling all of them.
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LVL 9

Assisted Solution

by:macarrillo1
macarrillo1 earned 167 total points
ID: 37710530
It sound like you have a one to many relationship between tblAAPPayment and tblOnlineAAPAdjusters .  How many records are you pulling? Also, the records that you pull do they have an intID of 14?

Select a.vchRecordID
      from tblAAPPayment p
      join tblOnlineAAPAdjusters a on a.vchConfirmNum = p.vchPaymentNum
      where a.intID = 14

which table does vchRecordID below to?
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Author Comment

by:dlavar
ID: 37710544
the RecordID belongs to tblAAPPayment.  tblOnlineAAPAdjusters doesn't have a vchRecordID, but it has the confirmation num which is the same as the paymentnum in the Payment table.
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LVL 9

Expert Comment

by:macarrillo1
ID: 37710549
What is the datatype of tblOnlineAAPAdjusters .vchConfirmNum  and
tblOnlineAAPAdjusters .vchPaymentNum?  


Try

Select a.vchRecordID
      from tblAAPPayment p
      inner join tblOnlineAAPAdjusters a on a.vchConfirmNum = p.vchPaymentNum
      where a.intID = 14
0
 
LVL 9

Expert Comment

by:macarrillo1
ID: 37710558
Try

Select p.vchRecordID
      from tblAAPPayment p
      inner join tblOnlineAAPAdjusters a on a.vchConfirmNum = p.vchPaymentNum
      where a.intID = 14
0
 
LVL 42

Accepted Solution

by:
dqmq earned 166 total points
ID: 37710579
That's how join works-->the "14" is on the one side of a 1-many relationship.

If you have this:

Table A
X      13                  
Y      14
Z      15
       
Table P
Y       two
Y       three
Y       one


Then the result is this

Table A join P
Y 14 one
Y 14 two
Y 14 three

If you want to consolidate that to a single-row result, then you need to explain how you want to aggregate or eliminate the related values in the other table


Perhaps you could illustrate your desired outcome with a small amount of table data
0
 

Author Comment

by:dlavar
ID: 37710655
I found out what my problem was.  It was an issue in my database.  Thanks for your help
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