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I only want the orderids where there is only one row and resultcode='unconfirmed'

CREATE TABLE [dbo].[payments](
      [paymentid] [int] IDENTITY(1,1) NOT NULL,
      [orderid] [int] NOT NULL,
      [dateentered] [datetime] NULL,
      [datebilled] [datetime] NULL,
      [type] [varchar](50) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
      [number] [varchar](80) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
      [expiration] [varchar](10) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
      [CV2] [int] NOT NULL,
      [confirmation] [varchar](70) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
      [resultcode] [varchar](40) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
      [debit] [money] NOT NULL,
      [paymentinfo] [text] COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
      [ebayquantity] [varchar](25) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
      [paymentfee] [varchar](30) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
 CONSTRAINT [PK_payments] PRIMARY KEY CLUSTERED
(
      [paymentid] ASC
)WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]

GO





there may be many rows for one orderid(int)
I only want the orderids where there is only one row and resultcode='unconfirmed'
ASKER CERTIFIED SOLUTION
Avatar of Guy Hengel [angelIII / a3]
Guy Hengel [angelIII / a3]
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ragnarok89

You want Distinct:

DISTINCT - Used to select unique records. Only unique values are returned.

SELECT [ALL | DISTINCT] columnname1 [,columnname2]
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SOLUTION
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ASKER

thanks