How to create dynamic(no.of columns may change) Temporary table inside stored procedure in sql server

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Hi all,

My requirement is to create dymanic(no.of columns may change) Temporary table inside stored procedure in sql server.In my temporary table 4 columns are static(never change in future) remaining are dynamic(may change in future).

four static columns are as follows:
CVRelID,CustomerID,VendorID and TransactionID

The following is query to get dynamic columns form table tblSupportDocuments:

SELECT SDID,SDName,SDIsActive FROM tblSupportDocuments WHERE SDIsActive=1

Dynamic column names should be as SDName values from table tblSupportDocument.
for example: SuppDoct1,SuppDoct2......,SuppDoct3 etc....

please anybody give me some sample code to acheive my requirement.

Thanks in advance

Uday

Posted 24-Sep-11 1:01am

udaysimha

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#realJSOP · Answer 1 · 2011-09-24T02:19:00

Solution 1

You want to google "t-SQL dynamic SQL".

Posted 24-Sep-11 2:19am

#realJSOP

sachin10d · Answer 2 · 2011-09-24T05:13:00

Solution 3

Your problem can be solved using pivot table in sql
search for sql server pivot query

Posted 24-Sep-11 5:13am

sachin10d

Costica U · Answer 3 · 2011-09-24T02:27:00

This is how you create dynamic columns.
Because I don't have your table structure I cannot help you how to fill the temp table.

SQL

IF OBJECT_ID( 'tempdb..#temp') IS NOT NULL
    BEGIN
    DROP TABLE #temp
    END
CREATE TABLE #temp
    (
    [CVRelID]       INT,
    [CustomerID]    INT,
    [VendorID]      INT,
    [TransactionID] INT
    )

DECLARE @script VARCHAR(8000)
SET     @script = 'ALTER TABLE #temp ADD '

SELECT  @script = @script + QUOTENAME(SDName) + ' VARCHAR(100),'
FROM    tblSupportDocuments
WHERE   SDIsActive = 1


SET     @script = SUBSTRING( @script, 1, LEN(@script) - 1)-- remove last ","
PRINT   @script
EXEC    (@script)