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Get all records where there are duplicates in 2 fields in one table, returning data from multiple tables.

AD1080
AD1080 asked
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Last Modified: 2012-05-07
Hi,

I am using MSSQL2005 and need help to write a SQL statement to achieve the following.

I have 1 tables that I want to create a recordset from.

I want return all records where there are multiple records of any given VENDOR_NO, and for each of those unique VENDOR_NO's there are multiple COST records with the same value.

I hope this is explained clearly.  



What I need is all records where the cost and vendor are the same.

I need this...

VENDOR_NO       COST

AMYS                    2.00
AMYS                    2.00
AMYS                    2.00
BRANDX                4.00
BRANDX                4.00
BRANDX                1.00
BRANDX                1.00

Not this...

VENDOR_NO       COST

AMYS                    2.00
AMYS                    2.00
AMYS                    2.00
BRANDX               2.00
BRANDX                4.00
BRANDX                4.00
BRANDX                1.00
CANDY                  1.00


This SQL statement is working well, however I ran into difficulty adding additional conditions.

Select t.Vendor_no, t.Cost
From   Table t INNER JOIN (
                            Select Vendor_no, Cost
                            From Table
                            Group by Vendor_no, Cost
                            Having COUNT(*) > 1
                          ) m
      On t.Vendor_no = m.Vendor_no and
         t.cost = m.cost


I need to get records where the conditions above are true, and also the BRAND and DEPARTMENT fields from another table are a given value to (to be determined at run time),

(Both tables have ITEM_NO field to match up items)

Thanks in advance,

Ariel
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Commented:
you can create a procedure and call it like this
exec selectvendors 123, 123

create procedure selectvendors 
@yourbrand int,
@yourdepartment int
as
 
Select t.Vendor_no, t.Cost
From   Table t INNER JOIN (
                            Select Vendor_no, Cost
                            From Table
                            Group by Vendor_no, Cost
                            Having COUNT(*) > 1
                          ) m
      On t.Vendor_no = m.Vendor_no and
         t.cost = m.cost
inner join anothertable c on t.item_no = c.item_no
where t.brand = @yourbrand and
t.department = @yourdepartment

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Author

Commented:
Thanks for your reply,

Can you provide an example of how I would call this procedure in my client app?

I am using VB6.  VBA in Excel to be exact.  

Do I need to save this as a stored procedure in MSSQL2005, and then call it somehow in VB?

yes, you have to create above stored procedure in SQL Server 2005 and than call it from VB
Commented:
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Author

Commented:
Thanks for the detailed answer.
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