Write a query to find the monthly active users (MAU) for Disney+ and calculate the month-over-month growth rate.
Use activity from active Disney+ accounts only. A user counts once per calendar month, regardless of how many activity records they have.
month_start, mau, and mom_growth_rate.mom_growth_rate should be the percentage change from the previous month, rounded to two decimal places. Return NULL when no prior month exists.month_start ascending.| Column | Type | Description |
|---|---|---|
| user_idPK | INT | Unique Disney+ user identifier |
| display_name | VARCHAR(100) | User display name |
| account_status | VARCHAR(20) | Current account status |
| Column | Type | Description |
|---|---|---|
| activity_idPK | INT | Unique activity event identifier |
| user_id | INT | User associated with the activity |
| platform | VARCHAR(30) | Streaming platform generating the activity |
| event_type | VARCHAR(30) | Type of user activity |
| event_at | TIMESTAMP | Timestamp when the activity occurred |