sql server - Error in SQL sum() -


i have sql line

 select no_, sum(quantity) sold, [shipment date] solddate, [item category code],  description, [description 2] dbo.[3s company a_s$sales invoice line]   [item category code] = '5104' group no_

but got error script. 

column 'dbo.3s company a_s$sales invoice line.shipment date' invalid in select  list because not contained in either aggregate function or group clause.

can me why?

try this

   select no_, sum(quantity) sold, [shipment date] solddate, [item category code],    description, [description 2] dbo.[3s company a_s$sales invoice line]     [item category code] = '5104' group no_,[shipment date],    [itemcategorycode], description,[description 2]

in sql if use column name in select clause except aggregrate function need add columns in group other wise show exception

if want sum no_ column have write subquery aggregarte function , join other columns folows

     select no_ ,quant.sold, [shipment date] solddate, [item category code],    description, [description 2] dbo.[3s company a_s$sales invoice line] inv,   (select no_, sum(quantity) sold dbo.[3s company a_s$sales invoice line]      [item category code] = '5104' group no_) quant      [item category code] = '5104' ,     inv.no_=quant.no_

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