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Message Posted: Mon, 05 Oct 2015 @ 14:38:37 GMT

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REPLACE FUNCTION  sample.stuff (a varchar(8000), n1 integer, n2 integer, b
varchar(8000) ) RETURNS VARCHAR(16000)
LANGUAGE SQL
DETERMINISTIC
CONTAINS SQL
COLLATION INVOKER
INLINE TYPE 1
RETURN  substr(a,1,n1-1) || b || substr(a,n1+n2);


select sample.stuff('Teradata' , 2, 3, 'data') s; Result - Tdatadata

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