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How to use a variable in a select statement for a declare cursor

Skippy II asked:

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I have this variable @cols (varchar) which contains the column names of a table I need to query. How can I use this variable in a function to declare a cursor the right way?

-- code where I fill up @cols
if len(@cols) = 0
    set @ret = 0
        set @cols = substring(@cols, 2, 1000)
	SELECT @cols from OTCriterium WHERE ParentPK = @PKParentCriterium
	OPEN Data
        -- other stuff
	set @ret = 1
-- other code

Thanks in advance!
Tags: SQL, SQL-Server (SQL-server-2005, SQL-Server-2008)


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