Change NULL to other value

Hi,
Are there some functions in Transact-SQL which can change NULL to other
value , like change NULL to 0.SELECT COALESCE(x, 0) FROM (SELECT x = 1 UNION SELECT 4 UNION SELECT NULL) x
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"ad" <ad@.wfes.tcc.edu.tw> wrote in message
news:Omk#8mlqEHA.536@.TK2MSFTNGP09.phx.gbl...
> Hi,
> Are there some functions in Transact-SQL which can change NULL to other
> value , like change NULL to 0.
>|||Yes. Use ISNULL
"ad" wrote:
> Hi,
> Are there some functions in Transact-SQL which can change NULL to other
> value , like change NULL to 0.
>
>