DECLARE
   v_VerTabName VARCHAR2(30);
   v_Minor NUMBER(2);
   v_SQL   VARCHAR2(80);
BEGIN
   SELECT 
   OBJECT_NAME INTO v_VerTabName 
   FROM SYS.ALL_OBJECTS 
   WHERE  OBJECT_NAME LIKE 'ABB_%'
   AND OWNER = 'ABB_ADMIN'
   AND STATUS = 'VALID';
   
   v_SQL :=    'SELECT ABB_VERSION INTO ' || v_Minor || ' FROM '|| v_VerTabName ;
   EXECUTE IMMEDIATE v_SQL;
   
   DBMS_OUTPUT.PUT_LINE('Minor:'||v_Minor);
END;

  v_SQL := 'SELECT ABB_VERSION FROM '|| v_VerTabName ;
  EXECUTE IMMEDIATE v_SQL INTO v_minor;