tested running for a month

get_latest_from_db.txt

@@ -0,0 +1,12 @@
+# 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;"