next.gauge.id = SELECT GAUGES_ID_SEQ.NEXTVAL AS gauge_id FROM DUAL
next.timeinterval.id = SELECT TIME_INTERVALS_ID_SEQ.NEXTVAL AS time_interval_id FROM DUAL
next.discharge.id = SELECT DISCHARGE_TABLES_ID_SEQ.NEXTVAL AS discharge_table_id FROM DUAL
next.discharge.table.values.id = SELECT DISCHARGE_TABLE_VALUES_ID_SEQ.NEXTVAL AS discharge_table_values_id FROM DUAL

