Answer / rajesh venati

create or replace procedure pro(cname in varchar2)
is
n number:=0;
cursor ecur is select column_name from user_tab_columns;
begin
for i in ecur loop
if i.column_name=cname then
n:=n+1;
end if;
end loop;
if n>=1 then
dbms_output.put_line('column matched');
else
dbms_output.put_line('column unmatched');
end if;
end;
-----------------------------------------------------
SQL> exec pro('EMPNO');
column matched

PL/SQL procedure successfully completed.

SQL> EXEC PRO('RAJESH');
column unmatched

PL/SQL procedure successfully completed.

SQL> EXEC PRO('DEPTNO');
column matched

PL/SQL procedure successfully completed.

SQL> EXEC PRO('HISAL');
column matched

PL/SQL procedure successfully completed.

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