dc.executeUpdate(new UpdateScript() {
@Override
public void run(UpdateCallback cb) {
ColumnCreationBuilder createTableBuilder = cb.createTable(schema, "test_table").withColumn("id")
.ofType(ColumnType.FLOAT).withColumn("code").ofType(ColumnType.VARCHAR).ofSize(10);
Table table = createTableBuilder.execute();
cb.insertInto(table).value("id", 1.0).value("code", "C01").execute();
cb.insertInto(table).value("id", 2.0).value("code", "C02").execute();
cb.insertInto(table).value("id", 3.0).value("code", null).execute();
cb.insertInto(table).value("id", 4.0).value("code", "C02").execute();