try (var connection = connect()) {
            final var cmd = connection.getMetaData();
            try (var results = cmd.getColumns(null, null, "%", "%")) {
                final var rsmd = results.getMetaData();
                for (int i = 1; i <= rsmd.getColumnCount(); i++) {
                    final var label = rsmd.getColumnLabel(i);
                    if (!"DATA_TYPE".equals(label)) {
                        continue;
                    }
                    final var type = rsmd.getColumnType(i);
                    log.debug("type: {}, {}", type, JDBCType.valueOf(type));
                }
            }
        }