CREATE FUNCTION Fact (@parameter datatype)

RETURNS returndatatype

AS

BEGIN

--sql statements

    RETURN --whatever you want to return but of returndatatype from above

END

ID       |       WebsiteName      |

-----------------------------------

1        |      www.yahoo.com     |

2        |      www.google.com    |

3        |      www.youtube.com   |

​

CREATE FUNCTION dbo.StripWWWandCom (@input VARCHAR(250))

RETURNS VARCHAR(250)

AS BEGIN

    DECLARE @Work VARCHAR(250)

​

    SET @Work = @Input

​

    SET @Work = REPLACE(@Work, 'www.', '')

    SET @Work = REPLACE(@Work, '.com', '')

​

    RETURN @work

END

​

/* Running function */

​

SELECT ID, dbo.StripWWWandCom (WebsiteName)

FROM dbo.YourTable .....

​

ID      |      WebsiteName

--------------------------    

1       |        yahoo

Create Function Fn_ToplamaYap(@sayi1 int,@sayi2 int)

Returns int

As

Begin

Declare @toplam int

Set @toplam = @sayi1+ @sayi2

return @toplam

End