{ "format": "dataset-manifest/1", "slug": "subscription-sample-database", "version": 1, "seed": "flagship:subscription-sample-database:1k", "engine": 2, "engineVersion": "1.0.0", "spec": { "format": "dataset/1", "engine": 2, "slug": "subscription-sample-database", "name": "Subscription SaaS sample database", "tagline": "A SaaS product’s customers, monthly plans, invoices and payments, API keys and a log of their requests, and support.", "description": "A software-as-a-service product from 2023 to 2025: customers on eight monthly plans, their invoices and payments, the API keys they create and a log of every request made with them, plus reviews, messages, support tickets and the usual activity and audit logs. The billing holds together: an invoice bills its plan’s monthly price and falls due fourteen days later, a payment pays a plan price with a card that belongs to the subscriber, and a subscription’s current period ends thirty days after its latest invoice. An API request is made between its key’s creation and its expiry, and its status codes are mostly 2xx with the 4xx and 5xx share a real API sees. Messages are never sent to oneself, and a ticket’s responses come after it.", "domain": "saas", "shape": "event-log", "useCases": [ "sql-practice", "analytics-demo", "test-fixtures" ], "keywords": [ "saas", "subscriptions", "billing", "api logs", "sample database" ], "locale": "en_US", "license": "CC0-1.0", "version": 1, "seed": "flagship:subscription-sample-database", "tables": { "apikeys": { "description": "Rows for the apikeys table.", "rows": 30, "columns": { "apikey_id": { "kind": "pk" }, "apikey_value": { "kind": "pattern", "pattern": "[sk_]xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", "unique": true }, "created_date": { "kind": "date", "from": "2022-10-01", "to": "2025-12-31" }, "expiration_date": { "kind": "date", "from": "2023-01-01", "to": "2026-03-31" }, "user_id": { "kind": "fk", "ref": "users.user_id" } } }, "apirequests": { "description": "Rows for the apirequests table.", "rows": 1000, "columns": { "request_id": { "kind": "pk" }, "apikey_id": { "kind": "fk", "ref": "apikeys.apikey_id" }, "request_date": { "kind": "date", "from": "2023-01-01", "to": "2025-12-31", "trend": "growing" }, "request_endpoint": { "kind": "enum", "values": [ "/v1/projects", "/v1/projects/{id}", "/v1/tasks", "/v1/tasks/{id}", "/v1/users/me", "/v1/files", "/v1/webhooks", "/v1/reports" ], "weights": [ 22, 18, 20, 15, 10, 7, 3, 5 ] }, "request_method": { "kind": "enum", "values": [ "GET", "POST", "PATCH", "DELETE" ], "weights": [ 70, 18, 8, 4 ] }, "response_code": { "kind": "int", "min": 0, "max": 500 } } }, "access_tokens": { "description": "Rows for the access_tokens table.", "rows": 50, "columns": { "token_id": { "kind": "pk" }, "expiration_date": { "kind": "date", "from": "2025-01-01", "to": "2026-06-30" }, "token_value": { "kind": "pattern", "pattern": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", "unique": true }, "user_id": { "kind": "fk", "ref": "users.user_id" } } }, "activity_log": { "description": "Rows for the activity_log table.", "rows": 100, "columns": { "activity_id": { "kind": "pk" }, "activity_date": { "kind": "date", "from": "2023-01-01", "to": "2025-12-31" }, "activity_type": { "kind": "enum", "values": [ "login", "create_project", "invite_member", "export_data", "update_settings" ], "weights": [ 55, 15, 8, 7, 15 ] }, "details": { "kind": "enum", "values": [ "From the web app", "From the mobile app", "Through the API" ] }, "user_id": { "kind": "fk", "ref": "users.user_id" } } }, "audit_logs": { "description": "Rows for the audit_logs table.", "rows": 30, "columns": { "audit_log_id": { "kind": "pk" }, "action": { "kind": "enum", "values": [ "plan_changed", "payment_method_added", "member_removed", "api_key_created", "password_changed" ] }, "action_date": { "kind": "date", "from": "2023-01-01", "to": "2025-12-31" }, "details": { "kind": "enum", "values": [ "Changed by the account owner", "Changed by an admin", "Changed by support" ] }, "user_id": { "kind": "fk", "ref": "users.user_id" } } }, "billing_invoices": { "description": "Rows for the billing_invoices table.", "rows": 250, "columns": { "invoice_id": { "kind": "pk" }, "due_date": { "kind": "date", "from": "2023-01-01", "to": "2026-01-31" }, "invoice_date": { "kind": "date", "from": "2023-01-01", "to": "2025-12-31", "trend": "growing" }, "status": { "kind": "enum", "values": [ "issued" ] }, "total_amount": { "kind": "decimal", "min": 0, "max": 499, "scale": 2 }, "user_subscription_id": { "kind": "fk", "ref": "user_subscriptions.user_subscription_id", "skew": "flat" } } }, "discounts": { "description": "Rows for the discounts table.", "rows": 8, "columns": { "discount_id": { "kind": "pk" }, "description": { "kind": "enum", "values": [ "New customer", "Switch to annual", "Startup programme", "Education", "Nonprofits", "Referral", "Black Friday", "Two years with us" ], "unique": true }, "discount_amount": { "kind": "decimal", "min": 5, "max": 50, "scale": 2 }, "discount_code": { "kind": "enum", "values": [ "WELCOME10", "ANNUAL20", "STARTUP30", "EDU50", "NONPROFIT40", "REFER15", "BLACKFRIDAY25", "LOYALTY10" ], "unique": true }, "expiration_date": { "kind": "date", "from": "2026-12-31", "to": "2026-12-31" } } }, "messages": { "description": "Rows for the messages table.", "rows": 30, "columns": { "message_id": { "kind": "pk" }, "body": { "kind": "enum", "values": [ "See the attached project", "Can you take a look?", "Thanks!", "Let us discuss tomorrow" ] }, "receiver_id": { "kind": "fk", "ref": "users.user_id" }, "sender_id": { "kind": "fk", "ref": "users.user_id" }, "sent_date": { "kind": "date", "from": "2023-01-01", "to": "2025-12-31" }, "status": { "kind": "enum", "values": [ "read", "unread" ], "weights": [ 80, 20 ] }, "subject": { "kind": "enum", "values": [ "Project update", "Quick question", "Invoice", "Welcome aboard", "Meeting notes" ] } } }, "notifications": { "description": "Rows for the notifications table.", "rows": 80, "columns": { "notification_id": { "kind": "pk" }, "message": { "kind": "enum", "values": [ "Your invoice is ready", "A new feature is live", "New sign-in from a new device", "Your card expires soon" ] }, "notification_date": { "kind": "date", "from": "2023-01-01", "to": "2025-12-31" }, "notification_type": { "kind": "enum", "values": [ "billing", "product", "security" ], "weights": [ 40, 45, 15 ] }, "user_id": { "kind": "fk", "ref": "users.user_id" } } }, "payment_methods": { "description": "Rows for the payment_methods table.", "rows": 60, "columns": { "payment_method_id": { "kind": "pk" }, "billing_address": { "kind": "location.streetAddress" }, "cvv": { "kind": "enum", "values": [ "***" ], "description": "Never stored; always masked." }, "card_holder_name": { "kind": "person.fullName" }, "card_number": { "kind": "pattern", "pattern": "[**** **** **** ]####", "description": "Masked; only the last four digits are kept." }, "expiration_date": { "kind": "date", "from": "2026-01-01", "to": "2030-12-31" }, "user_id": { "kind": "fk", "ref": "users.user_id", "skew": "flat" } } }, "payments": { "description": "Rows for the payments table.", "rows": 240, "columns": { "payment_id": { "kind": "pk" }, "amount": { "kind": "decimal", "min": 0, "max": 499, "scale": 2 }, "payment_date": { "kind": "date", "from": "2023-01-01", "to": "2025-12-31" }, "payment_method_id": { "kind": "fk", "ref": "payment_methods.payment_method_id" }, "user_subscription_id": { "kind": "fk", "ref": "user_subscriptions.user_subscription_id", "skew": "flat" } } }, "review_comments": { "description": "Rows for the review_comments table.", "rows": 10, "columns": { "comment_id": { "kind": "pk" }, "comment_date": { "kind": "date", "from": "2023-01-01", "to": "2026-01-31" }, "comment_text": { "kind": "enum", "values": [ "Agreed", "Thanks for the feedback, we are on it", "Same here", "Have you tried the new plan?" ] }, "review_id": { "kind": "fk", "ref": "subscription_reviews.review_id", "skew": "flat" }, "user_id": { "kind": "fk", "ref": "users.user_id" } } }, "roles": { "description": "Rows for the roles table.", "rows": 4, "columns": { "role_id": { "kind": "pk" }, "description": { "kind": "enum", "values": [ "Owns the account", "Manages billing and members", "Uses the product", "Read only" ], "unique": true }, "role_name": { "kind": "enum", "values": [ "owner", "admin", "member", "viewer" ], "unique": true } } }, "subscription_analytics": { "description": "Rows for the subscription_analytics table.", "rows": 10, "columns": { "analytics_id": { "kind": "pk" }, "capture_date": { "kind": "date", "from": "2023-01-31", "to": "2025-12-31" }, "metric_name": { "kind": "enum", "values": [ "Monthly active users", "Churn rate", "Net revenue retention" ] }, "metric_value": { "kind": "decimal", "min": 0.5, "max": 140, "scale": 2 }, "subscription_id": { "kind": "fk", "ref": "subscriptions.subscription_id", "skew": "flat" } } }, "subscription_categories": { "description": "Rows for the subscription_categories table.", "rows": 6, "columns": { "category_id": { "kind": "pk" }, "category_name": { "kind": "enum", "values": [ "Analytics", "Developer", "Collaboration", "Support", "Security", "Storage" ], "unique": true }, "description": { "kind": "enum", "values": [ "Dashboards and reports", "API access and webhooks", "Seats and sharing", "Response times", "SSO and audit logs", "Files and retention" ], "unique": true } } }, "subscription_category_mapping": { "description": "Rows for the subscription_category_mapping table.", "rows": 14, "columns": { "mapping_id": { "kind": "pk" }, "category_id": { "kind": "fk", "ref": "subscription_categories.category_id", "skew": "flat" }, "subscription_id": { "kind": "fk", "ref": "subscriptions.subscription_id", "skew": "flat" } } }, "subscription_features": { "description": "Rows for the subscription_features table.", "rows": 40, "columns": { "feature_id": { "kind": "pk" }, "feature_description": { "kind": "enum", "values": [ "Included", "Included, fair use", "Add-on available" ] }, "feature_name": { "kind": "enum", "values": [ "Unlimited projects", "Priority support", "SSO", "Audit log", "API access", "100 GB storage", "Custom domains", "Webhooks", "Guest seats", "Data export" ] }, "subscription_id": { "kind": "fk", "ref": "subscriptions.subscription_id", "skew": "flat" } } }, "subscription_reviews": { "description": "Rows for the subscription_reviews table.", "rows": 10, "columns": { "review_id": { "kind": "pk" }, "rating": { "kind": "int", "min": 1, "max": 5, "distribution": "high" }, "review_date": { "kind": "date", "from": "2023-01-01", "to": "2025-12-31" }, "review_text": { "kind": "enum", "values": [ "Worth every penny", "Great support", "Too expensive for what it does", "Easy to set up", "Missing integrations" ] }, "subscription_id": { "kind": "fk", "ref": "subscriptions.subscription_id" }, "user_id": { "kind": "fk", "ref": "users.user_id" } } }, "subscriptions": { "description": "Rows for the subscriptions table.", "rows": 8, "columns": { "subscription_id": { "kind": "pk" }, "description": { "kind": "enum", "values": [ "For individuals", "More projects and storage", "For professionals", "For small teams", "For growing companies", "Custom limits and support", "For students and teachers", "For registered charities" ], "unique": true }, "interval": { "kind": "enum", "values": [ "month" ] }, "price": { "kind": "decimal", "min": 5, "max": 499, "scale": 2 }, "subscription_name": { "kind": "enum", "values": [ "Starter", "Plus", "Pro", "Team", "Business", "Enterprise", "Education", "Nonprofit" ], "unique": true } } }, "support_tickets": { "description": "Rows for the support_tickets table.", "rows": 10, "columns": { "ticket_id": { "kind": "pk" }, "created_date": { "kind": "date", "from": "2023-01-01", "to": "2025-12-31" }, "description": { "kind": "enum", "values": [ "Opened from the help widget", "Sent by email", "Raised in chat" ] }, "status": { "kind": "enum", "values": [ "resolved", "closed", "open" ], "weights": [ 70, 25, 5 ] }, "subject": { "kind": "enum", "values": [ "Billing question", "Cannot sign in", "API returns 429", "Feature request", "Cancel my plan" ] }, "user_id": { "kind": "fk", "ref": "users.user_id" } } }, "system_logs": { "description": "Rows for the system_logs table.", "rows": 30, "columns": { "log_id": { "kind": "pk" }, "log_date": { "kind": "date", "from": "2023-01-01", "to": "2025-12-31" }, "log_level": { "kind": "enum", "values": [ "INFO", "WARN", "ERROR" ], "weights": [ 80, 15, 5 ] }, "log_message": { "kind": "enum", "values": [ "Session started", "Rate limit approached", "Webhook delivery retried", "Export finished", "Payment declined" ] }, "user_id": { "kind": "fk", "ref": "users.user_id" } } }, "ticket_responses": { "description": "Rows for the ticket_responses table.", "rows": 20, "columns": { "response_id": { "kind": "pk" }, "message": { "kind": "enum", "values": [ "Thanks, looking into it", "This is fixed now", "Could you share a screenshot?", "Your plan has been changed" ] }, "responder_id": { "kind": "fk", "ref": "users.user_id" }, "response_date": { "kind": "date", "from": "2023-01-01", "to": "2026-01-31" }, "ticket_id": { "kind": "fk", "ref": "support_tickets.ticket_id", "skew": "flat" } } }, "user_addresses": { "description": "Rows for the user_addresses table.", "rows": 50, "columns": { "address_id": { "kind": "pk" }, "address_line1": { "kind": "location.streetAddress" }, "address_line2": { "kind": "location.secondaryAddress", "nullable": true, "nullRate": 0.7 }, "city": { "kind": "place.city" }, "country": { "kind": "enum", "values": [ "United States" ] }, "state": { "kind": "place.regionCode" }, "user_id": { "kind": "fk", "ref": "users.user_id", "unique": true }, "zip_code": { "kind": "place.postcode" } } }, "user_discounts": { "description": "Rows for the user_discounts table.", "rows": 15, "columns": { "user_discount_id": { "kind": "pk" }, "applied_date": { "kind": "date", "from": "2023-01-01", "to": "2025-12-31" }, "discount_id": { "kind": "fk", "ref": "discounts.discount_id" }, "user_id": { "kind": "fk", "ref": "users.user_id" } } }, "user_feedback": { "description": "Rows for the user_feedback table.", "rows": 10, "columns": { "feedback_id": { "kind": "pk" }, "feedback_date": { "kind": "date", "from": "2023-01-01", "to": "2025-12-31" }, "feedback_text": { "kind": "enum", "values": [ "Export fails on large projects", "Please add dark mode", "Love the new dashboard", "Search is slow" ] }, "feedback_type": { "kind": "enum", "values": [ "bug", "feature request", "praise" ] }, "user_id": { "kind": "fk", "ref": "users.user_id" } } }, "user_preferences": { "description": "Rows for the user_preferences table.", "rows": 80, "columns": { "preference_id": { "kind": "pk" }, "preference_key": { "kind": "enum", "values": [ "theme", "language", "email_digest" ] }, "preference_value": { "kind": "enum", "values": [ "dark", "light", "en", "weekly", "daily", "off" ] }, "user_id": { "kind": "fk", "ref": "users.user_id", "skew": "flat" } } }, "user_profiles": { "description": "Rows for the user_profiles table.", "rows": 50, "columns": { "profile_id": { "kind": "pk" }, "birth_date": { "kind": "date", "from": "1960-01-01", "to": "2005-12-31" }, "first_name": { "kind": "person.firstName" }, "gender": { "kind": "enum", "values": [ "female", "male", "non-binary", "prefer not to say" ], "weights": [ 44, 46, 3, 7 ] }, "last_name": { "kind": "person.lastName" }, "user_id": { "kind": "fk", "ref": "users.user_id", "unique": true } } }, "user_roles": { "description": "Rows for the user_roles table.", "rows": 50, "columns": { "user_role_id": { "kind": "pk" }, "role_id": { "kind": "fk", "ref": "roles.role_id", "weights": [ 30, 15, 45, 10 ] }, "user_id": { "kind": "fk", "ref": "users.user_id", "unique": true } } }, "user_subscriptions": { "description": "Rows for the user_subscriptions table.", "rows": 60, "columns": { "user_subscription_id": { "kind": "pk" }, "end_date": { "kind": "date", "from": "2023-01-01", "to": "2026-01-31" }, "start_date": { "kind": "date", "from": "2022-06-01", "to": "2025-12-31" }, "status": { "kind": "enum", "values": [ "active", "cancelled" ] }, "subscription_id": { "kind": "fk", "ref": "subscriptions.subscription_id", "weights": [ 22, 18, 24, 12, 6, 2, 8, 8 ] }, "user_id": { "kind": "fk", "ref": "users.user_id" } } }, "users": { "description": "Rows for the users table.", "rows": 50, "columns": { "user_id": { "kind": "pk" }, "email": { "kind": "internet.email", "unique": true }, "password_hash": { "kind": "pattern", "pattern": "[$2b$12$]xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" }, "registration_date": { "kind": "date", "from": "2022-01-01", "to": "2025-10-31" }, "user_name": { "kind": "internet.username", "unique": true } } } } }, "counts": { "discounts": 8, "roles": 4, "subscription_categories": 6, "subscriptions": 8, "subscription_analytics": 10, "subscription_category_mapping": 14, "subscription_features": 40, "users": 50, "access_tokens": 50, "activity_log": 100, "apikeys": 30, "apirequests": 1000, 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six months before", "violations": 0 }, { "name": "An API request is made between its key's creation and its expiry", "violations": 0 }, { "name": "Every request has a real HTTP status code, and no one messages themselves", "violations": 0 }, { "name": "A ticket's responses and a review's comments come after them, and a discount is applied after its customer signed up", "violations": 0 } ] } }, "rules": [ { "name": "An invoice bills its plan's monthly price and falls due fourteen days later", "sql": "SELECT count(*) AS violations FROM billing_invoices i JOIN user_subscriptions us ON us.user_subscription_id = i.user_subscription_id JOIN subscriptions s ON s.subscription_id = us.subscription_id WHERE i.total_amount <> s.price OR i.due_date <> i.invoice_date + 14" }, { "name": "A subscription starts up to twenty days before its first invoice, its period ends thirty days after its latest, and it is cancelled exactly when that ran out before December 2025", "sql": "SELECT count(*) AS violations FROM user_subscriptions us JOIN (SELECT user_subscription_id, min(invoice_date) AS first, max(invoice_date) AS last FROM billing_invoices GROUP BY user_subscription_id) i ON i.user_subscription_id = us.user_subscription_id WHERE us.start_date > i.first OR us.start_date < i.first - 20 OR us.end_date <> i.last + 30 OR us.status <> CASE WHEN us.end_date < '2025-12-01' THEN 'cancelled' ELSE 'active' END" }, { "name": "A payment pays its plan's price with a card that belongs to the subscriber, after the subscription began", "sql": "SELECT count(*) AS violations FROM payments p JOIN user_subscriptions us ON us.user_subscription_id = p.user_subscription_id JOIN subscriptions s ON s.subscription_id = us.subscription_id JOIN payment_methods pm ON pm.payment_method_id = p.payment_method_id WHERE p.amount <> s.price OR pm.user_id <> us.user_id OR p.payment_date < us.start_date" }, { "name": "A customer signs up before their first subscription starts, at most six months before", "sql": "SELECT count(*) AS violations FROM users u JOIN (SELECT user_id, min(start_date) AS first FROM user_subscriptions GROUP BY user_id) s ON s.user_id = u.user_id WHERE u.registration_date > s.first OR u.registration_date < s.first - 180" }, { "name": "An API request is made between its key's creation and its expiry", "sql": "SELECT count(*) AS violations FROM apirequests r JOIN apikeys k ON k.apikey_id = r.apikey_id WHERE r.request_date < k.created_date OR r.request_date >= k.expiration_date" }, { "name": "Every request has a real HTTP status code, and no one messages themselves", "sql": "SELECT (SELECT count(*) FROM apirequests WHERE response_code NOT IN (200, 201, 204, 400, 401, 403, 404, 429, 500)) + (SELECT count(*) FROM messages WHERE sender_id = receiver_id) AS violations" }, { "name": "A ticket's responses and a review's comments come after them, and a discount is applied after its customer signed up", "sql": "SELECT (SELECT count(*) FROM ticket_responses r JOIN support_tickets t ON t.ticket_id = r.ticket_id WHERE r.response_date < t.created_date) + (SELECT count(*) FROM review_comments c JOIN subscription_reviews r ON r.review_id = c.review_id WHERE c.comment_date < r.review_date) + (SELECT count(*) FROM user_discounts d JOIN users u ON u.user_id = d.user_id WHERE d.applied_date < u.registration_date) AS violations" } ] }, "publishedAt": 1791389844520, "updatedAt": 1791389844520 }