How to convert int to char with leading zeros?

Question

I need to convert int datafield to nvarchar with leading zeros

example:

1 convert to \'001\'

867 convert to \'000867\', etc.

thx.

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Answer 1

I was wondering, would this be on any use to you?

declare @val int,@len=800
select replace(str(@val,@len),' ','0')