# Retrieve the last value for building_total
sqlite3 power_data.db "SELECT * FROM building_totals ORDER BY timestamp DESC LIMIT 1;"

# Retrieve the last value for each individual record in room_breakdown
sqlite3 power_data.db "
SELECT r1.*
FROM room_breakdown r1
INNER JOIN (
    SELECT room_number, MAX(timestamp) AS max_timestamp
    FROM room_breakdown
    GROUP BY room_number
) r2 ON r1.room_number = r2.room_number AND r1.timestamp = r2.max_timestamp;"