Write a query to find the top 5 best-selling car models from a given sales table.
Count only rows where sale_status is completed, and exclude records without a car model. Break ties alphabetically by model_name.
model_name and sales_countsales_count descending, then model_name ascending| Column | Type | Description |
|---|---|---|
| sale_idPK | INT | Unique identifier for the sale |
| model_name | VARCHAR(100) | Car model sold |
| sale_status | VARCHAR(30) | Current status of the sale |
| sold_at | DATE | Date associated with the sale |