Q) Write a PL/SQL block that reads a number and check it is Positive or Negative.


set serveroutput on ;

 declare

       a number ;

 begin

       a:= &a ;

      if (a>0) then

           dbms_output.put_line(‘Number is Positive’) ;

      else

           dbms_output.put_line(‘Number is Nigative’) ;

  end if ;

end ;

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