Use when inside case : When « PL SQL « Oracle PL / SQL

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Oracle PL / SQL » PL SQL » When 




Use when inside case


SQL>
SQL> -- switch case
SQL>
SQL>
SQL> declare
  2    l_num number := 7;
  3  begin
  4    case l_num
  5      when then dbms_output.put_line('You selected one');
  6      when then dbms_output.put_line('You selected two');
  7      when then dbms_output.put_line('You selected three');
  8      when then dbms_output.put_line('You selected four');
  9      when then dbms_output.put_line('You selected five');
 10      when then dbms_output.put_line('You selected six');
 11      when then dbms_output.put_line('You selected seven');
 12      when then dbms_output.put_line('You selected eight');
 13      when then dbms_output.put_line('You selected nine');
 14      when then dbms_output.put_line('You selected zero');
 15      --else dbms_output.put_line('You selected more than one digit...');
 16    end case;
 17  end;
 18  /
You selected seven

PL/SQL procedure successfully completed.

SQL>
           
       














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1.Use when to catch exceptions
2.Exit when loop
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