{ "format": "dataset-manifest/1", "slug": "fleet-management-sample-database", "version": 1, "seed": "flagship:fleet-management-sample-database:1k", "engine": 2, "engineVersion": "1.0.0", "spec": { "format": "dataset/1", "engine": 2, "slug": "fleet-management-sample-database", "name": "Fleet management sample database", "tagline": "Depots, drivers and vehicles: trips stop by stop, odometers, fuel, inspections, work orders, accidents and claims.", "description": "A delivery fleet run from eight US depots through 2024 and 2025: drivers and their shifts, three hundred vans and trucks with telemetry devices, routes and the trips driven on them stop by stop, fuel purchases, inspections, maintenance work orders, accidents and insurance claims. A trip is driven by one of its depot’s drivers in one of its depot’s vehicles; its stops are numbered in the order they were reached and fall inside the trip; the odometer at the end is the start plus the route’s miles, and no vehicle’s odometer ever runs backwards. A fill-up never exceeds the tank and costs $3.10 to $4.60 a gallon; a work order costs its labour at $125 an hour plus its parts; an inspection passes only if every item did; a claim is made on the policy of a vehicle in the accident and pays at most what was claimed.", "domain": "logistics", "shape": "transactional", "useCases": [ "sql-practice", "analytics-demo", "test-fixtures" ], "keywords": [ "fleet management", "trips", "vehicles", "fuel", "sample database" ], "locale": "en_US", "license": "CC0-1.0", "version": 1, "seed": "flagship:fleet-management-sample-database", "tables": { "accident_vehicles": { "description": "Rows for the accident_vehicles table.", "rows": 10, "columns": { "id": { "kind": "pk" }, "accident_id": { "kind": "fk", "ref": "accidents.id", "skew": "flat" }, "damage_description": { "kind": "enum", "values": [ "Bumper damage", "Mirror broken", "Door dented", "Windshield cracked", "Tail light broken" ] }, "driver_id": { "kind": "fk", "ref": "drivers.id" }, "estimated_repair_cost": { "kind": "decimal", "min": 250, "max": 18000, "scale": 2, "distribution": "long-tail" }, "vehicle_id": { "kind": "fk", "ref": "vehicles.id" } } }, "accidents": { "description": "Rows for the accidents table.", "rows": 10, "columns": { "id": { "kind": "pk" }, "accident_at": { "kind": "datetime", "from": "2024-01-01", "to": "2025-12-31", "dayProfile": "business" }, "description": { "kind": "enum", "values": [ "Rear-ended at a light", "Backed into a loading dock", "Side-swiped changing lanes", "Hit a parked car", "Windshield struck by debris" ] }, "location": { "kind": "place.city" }, "police_reported": { "kind": "bool", "trueRate": 0.45 } } }, "branches": { "description": "Rows for the branches table.", "rows": 8, "columns": { "id": { "kind": "pk" }, "city": { "kind": "enum", "values": [ "Chicago", "Dallas", "Atlanta", "Denver", "Phoenix", "Columbus", "Sacramento", "Charlotte" ] }, "country": { "kind": "enum", "values": [ "United States" ] }, "name": { "kind": "enum", "values": [ "Chicago Depot", "Dallas Depot", "Atlanta Depot", "Denver Depot", "Phoenix Depot", "Columbus Depot", "Sacramento Depot", "Charlotte Depot" ], "unique": true }, "organization_id": { "kind": "fk", "ref": "organizations.id" }, "state": { "kind": "enum", "values": [ "AZ", "CA", "CO", "GA", "IL", "NC", "OH", "TX" ] } } }, "departments": { "description": "Rows for the departments table.", "rows": 24, "columns": { "id": { "kind": "pk" }, "branch_id": { "kind": "fk", "ref": "branches.id", "skew": "flat" }, "budget": { "kind": "decimal", "min": 150000, "max": 2500000, "scale": 2, "distribution": "long-tail" }, "name": { "kind": "enum", "values": [ "Operations", "Maintenance", "Dispatch" ] } } }, "device_assignments": { "description": "Rows for the device_assignments table.", "rows": 300, "columns": { "id": { "kind": "pk" }, "assigned_at": { "kind": "datetime", "from": "2023-01-01", "to": "2023-12-31", "dayProfile": "business" }, "device_id": { "kind": "fk", "ref": "telemetry_devices.id", "unique": true }, "unassigned_at": { "kind": "datetime", "from": "2024-01-01", "to": "2025-12-31", "nullable": true, "nullRate": 0.92 }, "vehicle_id": { "kind": "fk", "ref": "vehicles.id", "unique": true } } }, "driver_shifts": { "description": "Rows for the driver_shifts table.", "rows": 50, "columns": { "id": { "kind": "pk" }, "break_duration_minutes": { "kind": "enum", "values": [ "30", "45", "60" ], "weights": [ 50, 30, 20 ] }, "driver_id": { "kind": "fk", "ref": "drivers.id", "skew": "flat" }, "end_at": { "kind": "datetime", "from": "2024-01-01", "to": "2026-01-01" }, "start_at": { "kind": "datetime", "from": "2024-01-01", "to": "2025-12-31", "dayProfile": "business" } } }, "drivers": { "description": "Rows for the drivers table.", "rows": 250, "columns": { "id": { "kind": "pk" }, "employee_id": { "kind": "fk", "ref": "employees.id", "unique": true }, "license_class": { "kind": "enum", "values": [ "CDL-A", "CDL-B", "Class C" ], "weights": [ 30, 35, 35 ] }, "license_expiry": { "kind": "date", "from": "2026-01-01", "to": "2030-12-31" }, "license_number": { "kind": "pattern", "pattern": "[DL-]A#######", "unique": true, "description": "A made-up driving licence number in the DL-A####### format." }, "medical_cert_expiry": { "kind": "date", "from": "2026-01-01", "to": "2027-12-31" } } }, "employees": { "description": "Rows for the employees table.", "rows": 400, "columns": { "id": { "kind": "pk" }, "department_id": { "kind": "fk", "ref": "departments.id", "skew": "flat" }, "email": { "kind": "internet.email", "from": { "firstName": "first_name", "lastName": "last_name" }, "unique": true }, "first_name": { "kind": "person.firstName" }, "hired_at": { "kind": "date", "from": "2012-01-01", "to": "2023-12-31" }, "last_name": { "kind": "person.lastName" }, "phone": { "kind": "phone.number" }, "role_id": { "kind": "fk", "ref": "roles.id", "weights": [ 76, 6, 8, 3, 3, 4 ] } } }, "fuel_cards": { "description": "Rows for the fuel_cards table.", "rows": 300, "columns": { "id": { "kind": "pk" }, "card_number": { "kind": "pattern", "pattern": "[**** **** **** ]####", "description": "Masked; only the last four digits are kept." }, "credit_limit": { "kind": "enum", "values": [ "2500", "5000", "10000" ] }, "expiry_date": { "kind": "date", "from": "2026-01-01", "to": "2028-12-31" }, "provider": { "kind": "enum", "values": [ "WEX", "FleetCor", "Comdata" ] } } }, "fuel_transactions": { "description": "Rows for the fuel_transactions table.", "rows": 30, "columns": { "id": { "kind": "pk" }, "amount": { "kind": "decimal", "min": 0, "max": 483, "scale": 2 }, "driver_id": { "kind": "fk", "ref": "drivers.id" }, "fuel_card_id": { "kind": "fk", "ref": "fuel_cards.id" }, "odometer": { "kind": "int", "min": 0, "max": 198615 }, "transaction_at": { "kind": "datetime", "from": "2024-01-01", "to": "2025-12-31", "dayProfile": "business" }, "vehicle_id": { "kind": "fk", "ref": "vehicles.id" }, "volume": { "kind": "decimal", "min": 0, "max": 147, "scale": 2 } } }, "gps_logs": { "description": "Rows for the gps_logs table.", "rows": 500, "columns": { "id": { "kind": "pk" }, "device_id": { "kind": "fk", "ref": "telemetry_devices.id", "skew": "flat" }, "heading": { "kind": "int", "min": 0, "max": 359 }, "latitude": { "kind": "place.latitude" }, "logged_at": { "kind": "datetime", "from": "2024-01-01", "to": "2025-12-31", "dayProfile": "business" }, "longitude": { "kind": "place.longitude" }, "speed": { "kind": "decimal", "min": 0, "max": 75, "scale": 1, "distribution": "normal" } } }, "inspection_items": { "description": "Rows for the inspection_items table.", "rows": 12, "columns": { "id": { "kind": "pk" }, "category": { "kind": "enum", "values": [ "Brakes", "Cargo securement", "Fire extinguisher", "Fluid levels", "Headlights and signals", "Horn", "Mirrors", "Seat belts", "Steering play", "Tread depth and pressure", "Visible leaks", "Wipers" ] }, "name": { "kind": "enum", "values": [ "Brakes", "Tires", "Lights", "Mirrors", "Horn", "Wipers", "Fluids", "Seat belts", "Fire extinguisher", "Cargo straps", "Steering", "Leaks" ], "unique": true } } }, "inspection_results": { "description": "Rows for the inspection_results table.", "rows": 40, "columns": { "id": { "kind": "pk" }, "inspection_id": { "kind": "fk", "ref": "inspections.id", "skew": "flat" }, "item_id": { "kind": "fk", "ref": "inspection_items.id", "skew": "flat" }, "notes": { "kind": "enum", "values": [ "OK", "Worn, monitor", "Replaced on the spot", "Needs workshop" ], "weights": [ 80, 10, 5, 5 ] }, "passed": { "kind": "bool", "trueRate": 0.96 } } }, "inspections": { "description": "Rows for the inspections table.", "rows": 10, "columns": { "id": { "kind": "pk" }, "driver_id": { "kind": "fk", "ref": "drivers.id" }, "inspected_at": { "kind": "datetime", "from": "2024-01-01", "to": "2025-12-31", "dayProfile": "business" }, "passed": { "kind": "bool", "trueRate": 0.9 }, "vehicle_id": { "kind": "fk", "ref": "vehicles.id" } } }, "insurance_claims": { "description": "Rows for the insurance_claims table.", "rows": 10, "columns": { "id": { "kind": "pk" }, "accident_id": { "kind": "fk", "ref": "accidents.id", "unique": true }, "amount_claimed": { "kind": "decimal", "min": 0, "max": 15474, "scale": 2 }, "amount_paid": { "kind": "decimal", "min": 0, "max": 14391, "scale": 2 }, "claim_number": { "kind": "pattern", "pattern": "[CLM-]########", "unique": true }, "policy_id": { "kind": "fk", "ref": "insurance_policies.id" }, "status": { "kind": "enum", "values": [ "settled", "open", "denied" ], "weights": [ 75, 15, 10 ] } } }, "insurance_policies": { "description": "Rows for the insurance_policies table.", "rows": 300, "columns": { "id": { "kind": "pk" }, "end_date": { "kind": "date", "from": "2025-12-31", "to": "2025-12-31" }, "policy_number": { "kind": "pattern", "pattern": "[FLT-]########", "unique": true }, "premium": { "kind": "decimal", "min": 1200, "max": 9000, "scale": 2 }, "provider": { "kind": "enum", "values": [ "Harborline Mutual", "Crestview Assurance", "Bluepeak Underwriters" ] }, "start_date": { "kind": "date", "from": "2024-01-01", "to": "2024-01-01" }, "vehicle_id": { "kind": "fk", "ref": "vehicles.id", "unique": true } } }, "maintenance_schedules": { "description": "Rows for the maintenance_schedules table.", "rows": 300, "columns": { "id": { "kind": "pk" }, "last_service_date": { "kind": "date", "from": "2025-06-01", "to": "2025-12-31" }, "last_service_miles": { "kind": "int", "min": 20000, "max": 200000 }, "service_interval_miles": { "kind": "enum", "values": [ "5000", "7500", "10000" ] }, "service_interval_months": { "kind": "enum", "values": [ "3", "6" ] }, "vehicle_id": { "kind": "fk", "ref": "vehicles.id", "unique": true } } }, "maintenance_shops": { "description": "Rows for the maintenance_shops table.", "rows": 15, "columns": { "id": { "kind": "pk" }, "city": { "kind": "place.city" }, "name": { "kind": "enum", "values": [ "Main Street Garage", "Interstate Truck Service", "QuickLube", "Fleet Care Center", "Diesel Pros" ] }, "state": { "kind": "place.regionCode" }, "vendor_id": { "kind": "fk", "ref": "vendors.id" } } }, "maintenance_tasks": { "description": "Rows for the maintenance_tasks table.", "rows": 15, "columns": { "id": { "kind": "pk" }, "description": { "kind": "enum", "values": [ "Replace oil and filter", "Replace front brake pads", "Rotate and balance tires", "Replace 12V battery", "Change transmission fluid", "Flush and refill coolant", "Replace engine air filter", "Replace wipers", "Four-wheel alignment", "Annual federal inspection", "Replace bulb or assembly", "Replace shocks", "Repair exhaust leak", "Recharge air conditioning", "Replace windshield" ], "unique": true }, "estimated_hours": { "kind": "decimal", "min": 0.25, "max": 3, "scale": 2 }, "name": { "kind": "enum", "values": [ "Oil change", "Brake pads", "Tire rotation", "Battery replacement", "Transmission service", "Coolant flush", "Air filter", "Wiper blades", "Alignment", "DOT inspection", "Headlight repair", "Suspension repair", "Exhaust repair", "AC service", "Windshield replacement" ], "unique": true } } }, "manufacturers": { "description": "Rows for the manufacturers table.", "rows": 8, "columns": { "id": { "kind": "pk" }, "country": { "kind": "enum", "values": [ "Germany", "Japan", "Sweden", "United States" ] }, "name": { "kind": "enum", "values": [ "Ford", "Ram", "Chevrolet", "Mercedes-Benz", "Isuzu", "Freightliner", "Volvo", "Toyota" ], "unique": true }, "support_phone": { "kind": "phone.number" } } }, "models": { "description": "Rows for the models table.", "rows": 20, "columns": { "id": { "kind": "pk" }, "fuel_type": { "kind": "enum", "values": [ "gasoline", "diesel" ] }, "manufacturer_id": { "kind": "fk", "ref": "manufacturers.id" }, "name": { "kind": "enum", "values": [ "Transit 250", "Transit 350", "F-150", "Transit Connect", "ProMaster 2500", "ProMaster 3500", "Express 2500", "Silverado 2500", "Sprinter 2500", "Sprinter 3500", "Metris", "NPR-HD", "NQR", "M2 106", "Cascadia", "VNL 760", "VNR 300", "Tacoma", "Tundra", "Colorado" ], "unique": true }, "tank_capacity_gallons": { "kind": "decimal", "min": 10, "max": 150, "scale": 1 }, "year": { "kind": "int", "min": 2019, "max": 2024 } } }, "organizations": { "description": "Rows for the organizations table.", "rows": 1, "columns": { "id": { "kind": "pk" }, "address": { "kind": "location.streetAddress" }, "name": { "kind": "enum", "values": [ "Northbridge Logistics" ] }, "phone": { "kind": "phone.number" }, "tax_identifier": { "kind": "pattern", "pattern": "##-#######", "description": "A made-up employer identification number in the ##-####### format." } } }, "parts": { "description": "Rows for the parts table.", "rows": 150, "columns": { "id": { "kind": "pk" }, "description": { "kind": "enum", "values": [ "OEM", "Aftermarket", "Heavy duty" ] }, "name": { "kind": "enum", "values": [ "Oil filter", "Air filter", "Brake pad set", "Wiper blade", "Headlight bulb", "Battery", "Shock absorber", "Serpentine belt", "Spark plug", "Tire" ] }, "part_number": { "kind": "pattern", "pattern": "[P-]AA####", "unique": true }, "unit_price": { "kind": "decimal", "min": 6, "max": 420, "scale": 2, "distribution": "long-tail" } } }, "parts_inventory": { "description": "Rows for the parts_inventory table.", "rows": 450, "columns": { "id": { "kind": "pk" }, "bin_location": { "kind": "pattern", "pattern": "[BIN-]A##" }, "part_id": { "kind": "fk", "ref": "parts.id", "skew": "flat" }, "quantity": { "kind": "int", "min": 0, "max": 60, "distribution": "long-tail" }, "shop_id": { "kind": "fk", "ref": "maintenance_shops.id", "skew": "flat" } } }, "roles": { "description": "Rows for the roles table.", "rows": 6, "columns": { "id": { "kind": "pk" }, "description": { "kind": "enum", "values": [ "Drives routes", "Long-haul routes and training", "Plans trips", "Services vehicles", "Runs a depot", "Inspections and incidents" ], "unique": true }, "hourly_rate": { "kind": "decimal", "min": 20, "max": 60, "scale": 2 }, "title": { "kind": "enum", "values": [ "Driver", "Senior driver", "Dispatcher", "Mechanic", "Fleet manager", "Safety officer" ], "unique": true } } }, "routes": { "description": "Rows for the routes table.", "rows": 120, "columns": { "id": { "kind": "pk" }, "distance_miles": { "kind": "int", "min": 20, "max": 420, "distribution": "long-tail" }, "end_location": { "kind": "enum", "values": [ "Depot" ] }, "estimated_hours": { "kind": "decimal", "min": 1, "max": 9, "scale": 1 }, "start_location": { "kind": "enum", "values": [ "Depot" ] } } }, "telemetry_devices": { "description": "Rows for the telemetry_devices table.", "rows": 300, "columns": { "id": { "kind": "pk" }, "firmware_version": { "kind": "enum", "values": [ "4.2.1", "4.3.0", "5.0.2" ] }, "model_number": { "kind": "enum", "values": [ "GT-400", "GT-500", "FleetLink 2" ] }, "purchased_at": { "kind": "date", "from": "2021-01-01", "to": "2023-12-31" }, "serial_number": { "kind": "pattern", "pattern": "[TD]##########", "unique": true } } }, "trip_stops": { "description": "Rows for the trip_stops table.", "rows": 1000, "columns": { "id": { "kind": "pk" }, "arrival_at": { "kind": "datetime", "from": "2024-01-01", "to": "2026-01-01" }, "departure_at": { "kind": "datetime", "from": "2024-01-01", "to": "2026-01-01" }, "location_name": { "kind": "enum", "values": [ "Customer site", "Distribution center", "Retail store", "Construction site", "Warehouse", "Hospital", "School", "Office park" ], "weights": [ 40, 10, 15, 8, 12, 5, 4, 6 ] }, "sequence_number": { "kind": "int", "min": 1, "max": 99 }, "trip_id": { "kind": "fk", "ref": "trips.id", "skew": "flat" } } }, "trips": { "description": "Rows for the trips table.", "rows": 250, "columns": { "id": { "kind": "pk" }, "driver_id": { "kind": "fk", "ref": "drivers.id", "skew": "flat" }, "end_odometer": { "kind": "int", "min": 0, "max": 201202 }, "ended_at": { "kind": "datetime", "from": "2024-01-01", "to": "2026-01-01" }, "route_id": { "kind": "fk", "ref": "routes.id" }, "start_odometer": { "kind": "int", "min": 0, "max": 200818 }, "started_at": { "kind": "datetime", "from": "2024-01-01", "to": "2025-12-31", "dayProfile": "business" }, "vehicle_id": { "kind": "fk", "ref": "vehicles.id" } } }, "vehicle_types": { "description": "Rows for the vehicle_types table.", "rows": 6, "columns": { "id": { "kind": "pk" }, "cargo_capacity_lbs": { "kind": "int", "min": 1000, "max": 50000 }, "description": { "kind": "enum", "values": [ "Parcel and courier routes", "Service calls", "Furniture and appliances", "Long-haul trailers", "Multi-stop delivery", "Field maintenance" ], "unique": true }, "name": { "kind": "enum", "values": [ "Cargo van", "Pickup", "Box truck", "Tractor", "Step van", "Service truck" ], "unique": true } } }, "vehicles": { "description": "Rows for the vehicles table.", "rows": 300, "columns": { "id": { "kind": "pk" }, "branch_id": { "kind": "fk", "ref": "branches.id", "skew": "flat" }, "color": { "kind": "enum", "values": [ "White", "Silver", "Black", "Blue", "Red" ], "weights": [ 70, 12, 8, 6, 4 ] }, "license_plate": { "kind": "pattern", "pattern": "AAA-####", "unique": true }, "model_id": { "kind": "fk", "ref": "models.id" }, "odometer": { "kind": "int", "min": 2000, "max": 90000 }, "status": { "kind": "enum", "values": [ "active", "in maintenance", "retired" ], "weights": [ 90, 7, 3 ] }, "type_id": { "kind": "fk", "ref": "vehicle_types.id" }, "vin": { "kind": "vehicle.vin", "unique": true } } }, "vendors": { "description": "Rows for the vendors table.", "rows": 30, "columns": { "id": { "kind": "pk" }, "address": { "kind": "location.streetAddress" }, "category": { "kind": "enum", "values": [ "Parts", "Tires", "Repairs", "Towing" ] }, "email": { "kind": "internet.email" }, "name": { "kind": "company.name", "unique": true }, "phone": { "kind": "phone.number" } } }, "work_order_parts": { "description": "Rows for the work_order_parts table.", "rows": 10, "columns": { "id": { "kind": "pk" }, "part_id": { "kind": "fk", "ref": "parts.id" }, "quantity": { "kind": "int", "min": 1, "max": 4, "distribution": "long-tail" }, "unit_cost": { "kind": "decimal", "min": 0, "max": 311, "scale": 2 }, "work_order_id": { "kind": "fk", "ref": "work_orders.id", "skew": "flat" } } }, "work_order_tasks": { "description": "Rows for the work_order_tasks table.", "rows": 10, "columns": { "id": { "kind": "pk" }, "cost": { "kind": "decimal", "min": 0, "max": 375, "scale": 2 }, "notes": { "kind": "enum", "values": [ "Done", "Done, follow up next service", "Customer approved extra work" ], "weights": [ 85, 10, 5 ] }, "task_id": { "kind": "fk", "ref": "maintenance_tasks.id" }, "work_order_id": { "kind": "fk", "ref": "work_orders.id", "skew": "flat" } } }, "work_orders": { "description": "Rows for the work_orders table.", "rows": 10, "columns": { "id": { "kind": "pk" }, "completed_at": { "kind": "datetime", "from": "2024-01-01", "to": "2026-01-31" }, "created_at": { "kind": "datetime", "from": "2024-01-01", "to": "2025-12-31", 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}, { "name": "An inspection passes only if every item it checked did, and checks an item once", "violations": 0 }, { "name": "An accident's drivers come from the depot of the vehicle they drove, and a claim is on the policy of a vehicle in it, paying at most what was claimed", "violations": 0 } ] } }, "rules": [ { "name": "A trip is driven by one of its depot's drivers in one of its depot's vehicles, and every driver is an employee in the Driver role", "sql": "SELECT (SELECT count(*) FROM trips t JOIN drivers d ON d.id = t.driver_id JOIN employees e ON e.id = d.employee_id JOIN departments dp ON dp.id = e.department_id JOIN vehicles v ON v.id = t.vehicle_id WHERE v.branch_id <> dp.branch_id) + (SELECT count(*) FROM drivers d JOIN employees e ON e.id = d.employee_id JOIN roles r ON r.id = e.role_id WHERE r.title <> 'Driver') AS violations" }, { "name": "A trip's stops are numbered in the order they were reached and fall inside the trip, each left after it was reached", "sql": "SELECT (SELECT count(*) FROM trip_stops s JOIN trips t ON t.id = s.trip_id WHERE s.arrival_at < t.started_at OR s.departure_at > t.ended_at OR s.departure_at <= s.arrival_at) + (SELECT count(*) FROM (SELECT sequence_number, row_number() OVER (PARTITION BY trip_id ORDER BY arrival_at, id) AS reached FROM trip_stops) x WHERE x.sequence_number <> x.reached) + (SELECT count(*) FROM trips t LEFT JOIN (SELECT DISTINCT trip_id FROM trip_stops) s ON s.trip_id = t.id WHERE s.trip_id IS NULL) AS violations" }, { "name": "A trip adds its route's miles to the odometer, and no vehicle's odometer ever runs backwards", "sql": "SELECT (SELECT count(*) FROM trips t JOIN routes r ON r.id = t.route_id JOIN vehicles v ON v.id = t.vehicle_id WHERE t.end_odometer - t.start_odometer <> r.distance_miles OR t.start_odometer < v.odometer) + (SELECT count(*) FROM (SELECT start_odometer, lag(start_odometer) OVER (PARTITION BY vehicle_id ORDER BY started_at, id) AS before FROM trips) x WHERE x.start_odometer < x.before) AS violations" }, { "name": "A fill-up is a vehicle of the driver's depot, never more than its tank, at $3.10 to $4.60 a gallon", "sql": "SELECT count(*) AS violations FROM fuel_transactions f JOIN vehicles v ON v.id = f.vehicle_id JOIN models m ON m.id = v.model_id JOIN drivers d ON d.id = f.driver_id JOIN employees e ON e.id = d.employee_id JOIN departments dp ON dp.id = e.department_id WHERE v.branch_id <> dp.branch_id OR f.volume > m.tank_capacity_gallons OR f.amount < round(f.volume * 3.10, 2) OR f.amount > round(f.volume * 4.60, 2)" }, { "name": "A work order costs its labour at $125 an hour plus its parts at their list price, and is completed after it was opened", "sql": "SELECT (SELECT count(*) FROM work_orders w LEFT JOIN (SELECT work_order_id, sum(cost) AS labour FROM work_order_tasks GROUP BY work_order_id) l ON l.work_order_id = w.id LEFT JOIN (SELECT work_order_id, sum(quantity * unit_cost) AS parts FROM work_order_parts GROUP BY work_order_id) p ON p.work_order_id = w.id WHERE w.total_cost <> coalesce(l.labour, 0) + coalesce(p.parts, 0) OR w.completed_at <= w.created_at) + (SELECT count(*) FROM work_order_tasks wt JOIN maintenance_tasks mt ON mt.id = wt.task_id WHERE wt.cost <> round(mt.estimated_hours * 125, 2)) + (SELECT count(*) FROM work_order_parts wp JOIN parts p ON p.id = wp.part_id WHERE wp.unit_cost <> p.unit_price) AS violations" }, { "name": "An inspection passes only if every item it checked did, and checks an item once", "sql": "SELECT (SELECT count(*) FROM inspections i JOIN (SELECT inspection_id, bool_and(passed) AS all_passed FROM inspection_results GROUP BY inspection_id) r ON r.inspection_id = i.id WHERE i.passed <> r.all_passed) + (SELECT count(*) - count(DISTINCT (inspection_id, item_id)) FROM inspection_results) AS violations" }, { "name": "An accident's drivers come from the depot of the vehicle they drove, and a claim is on the policy of a vehicle in it, paying at most what was claimed", "sql": "SELECT (SELECT count(*) FROM accident_vehicles av JOIN vehicles v ON v.id = av.vehicle_id JOIN drivers d ON d.id = av.driver_id JOIN employees e ON e.id = d.employee_id JOIN departments dp ON dp.id = e.department_id WHERE v.branch_id <> dp.branch_id) + (SELECT count(*) FROM insurance_claims c JOIN insurance_policies p ON p.id = c.policy_id WHERE NOT EXISTS (SELECT 1 FROM accident_vehicles av WHERE av.accident_id = c.accident_id AND av.vehicle_id = p.vehicle_id) OR c.amount_paid > c.amount_claimed OR (c.status <> 'settled' AND c.amount_paid <> 0)) AS violations" } ] }, "publishedAt": 1791388492585, "updatedAt": 1791388492585 }