Question

I have lot of data and for sample purpose mention below data

    d1  date                        OL
    N   2012-03-09 00:00:00.000     NULL
    No  2011-09-26 00:00:00.000     OL
    N   2012-01-26 00:00:00.000     NOL
    N   2012-03-07 00:00:00.000     NOL
    yes 2012-02-23 00:00:00.000     NULL

i need to wrire sp like

Create proc dbo.usp_all_property_search
(@type varchar(2))
as
begin
select * from tbl where ol is
select case @type
when 'o' then null
else
not null
end

end

Plz help me .

Answer 1

You’re over complicating it:

SELECT *
FROM Tbl
WHERE (@type = 'o' AND ol IS NULL)
OR (@Type <> 'o' AND ol IS NOT NULL)