@Test
  public void testDeferrable() throws SQLException {
    WbConnection conn = OracleTestUtil.getOracleConnection();
    assertNotNull("No Oracle connection available", conn);
    OracleFKHandler fkHandler = new OracleFKHandler(conn);
    String create =
        "create table parent (id integer not null primary key);\n"
            + "create table child_deferred (id integer not null primary key, pid integer not null,\n"
            + " constraint fk_aaa foreign key (pid) references parent (id) deferrable initially deferred);\n"
            + "create table child_immediate (id integer not null primary key, pid integer not null,\n"
            + " constraint fk_bbb foreign key (pid) references parent (id) deferrable initially immediate);\n"
            + "create table child_not_deferred (id integer not null primary key, pid integer not null,\n"
            + " constraint fk_ccc foreign key (pid) references parent (id));\n";

    TestUtil.executeScript(conn, create);

    TableIdentifier parent = conn.getMetadata().findTable(new TableIdentifier("PARENt"));

    DataStore fklist = fkHandler.getReferencedBy(parent);
    assertNotNull(fklist);
    assertEquals(3, fklist.getRowCount());

    fklist.sortByColumn(0, true);
    //		DataStorePrinter printer = new DataStorePrinter(fklist);
    //		printer.printTo(System.out);

    String deferrable = fklist.getValueAsString(0, "DEFERRABLE");
    assertEquals("INITIALLY DEFERRED", deferrable);

    deferrable = fklist.getValueAsString(1, "DEFERRABLE");
    assertEquals("INITIALLY IMMEDIATE", deferrable);

    deferrable = fklist.getValueAsString(2, "DEFERRABLE");
    assertEquals("NOT DEFERRABLE", deferrable);
    OracleTestUtil.cleanUpTestCase();
  }
 @AfterClass
 public static void tearDown() throws Exception {
   OracleTestUtil.cleanUpTestCase();
 }