Can you write a SQL query to extract specific data from a marketing database?
Assume the data is stored in marketing_campaigns. Return only campaigns whose status is Active.
campaign_name, channel, and budget.budget from highest to lowest, with NULL budgets last.| Column | Type | Description |
|---|---|---|
| campaign_idPK | INT | Unique campaign identifier |
| campaign_name | VARCHAR(150) | Name of the marketing campaign |
| channel | VARCHAR(50) | Marketing channel used by the campaign |
| status | VARCHAR(30) | Current campaign status |
| budget | DECIMAL(12,2) | Campaign budget |