SQL Server T-SQL table variable example

DECLARE @tblTravelRecords table (

     RequestID uniqueidentifier,

     TravelNumber varchar(7),

     EstimatedTravelCost decimal(11,2),

     [status] int

)

INSERT INTO @tblTravelRecords

SELECT pol.RequestID

     , pol.PONumber

     , CAST( subtotal + pol.Shipping + IsNull(pol.Discount,0) + pol.SalesTax as decimal(11,2) ) as 'EstimatedTravelCost'                             

     , pol.Status

FROM luPOStatus lu RIGHT JOIN (PurchaseOrderLog pol LEFT JOIN @tblPOsubtotal pod ON pol.RequestID=pod.RequestID) ON lu.StatusID=pol.Status

WHERE [Contract] = @Contract

          AND TaskNumber = @TaskNumber

          AND SubTask = @SubTask

          AND ( UseFFPFunds <> 1 OR UseFFPFunds IS NULL )