Block developers from using TOAD and other tools on production databases

CONNECT / AS SYSDBA;

CREATE OR REPLACE TRIGGER block_tools_from_prod

  AFTER LOGON ON DATABASE

DECLARE

  v_prog sys.v_$session.program%TYPE;

BEGIN

  SELECT program INTO v_prog

    FROM sys.v_$session

  WHERE  audsid = USERENV('SESSIONID')

    AND  audsid != 0  -- Don't Check SYS Connections

    AND  ROWNUM = 1;  -- Parallel processes will have the same AUDSID's

  IF UPPER(v_prog) LIKE '%TOAD%' OR UPPER(v_prog) LIKE '%T.O.A.D%' OR -- Toad

     UPPER(v_prog) LIKE '%SQLNAV%' OR     -- SQL Navigator

     UPPER(v_prog) LIKE '%PLSQLDEV%' OR -- PLSQL Developer

     UPPER(v_prog) LIKE '%BUSOBJ%' OR   -- Business Objects

     UPPER(v_prog) LIKE '%EXCEL%'       -- MS-Excel plug-in

  THEN

     RAISE_APPLICATION_ERROR(-20000, 'Development tools are not allowed here.');

  END IF;

END;

/

SHOW ERRORS