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create or replace FUNCTION EMP_ALPHA(V_E NUMBER,v_ty number) RETURN VARCHAR2 IS lDummy VARCHAR2; BEGIN if v_ty is not null then case length(v_e) when 1 then idummy := v_ty||'000'||v_e; when 2 then idummy := v_ty||'00'||v_e; when 3 then idummy := v_ty||'0'||v_e; when > 3 then idummy := v_ty||v_e; end end if; RETURN idummy; end emp_alpha;
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