/*

fn_LPAD(문자열,길이,빈공간을채울문자)

*/

CREATE FUNCTION fn_LPAD

(@ename VARCHAR(20),@ct INT, @chr VARCHAR(2))


RETURNS VARCHAR(100)


AS


BEGIN

RETURN (REPLICATE(@chr,@ct-LEN(@ename))+@ename)

END


*결과*



[출처] mysql의 zerofill 따라하기|작성자 클리프