> For the complete documentation index, see [llms.txt](https://docs.chartsql.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.chartsql.com/charts/heatmap.md).
# Heatmap
## Auto Heatmap
When 2 string columns and 1 numeric column exists
```sql
-- @title: Auto Heatmap
-- @subtitle: An example auto generated heatmap comparing two categories
SELECT
Owner,
Channel,
count(*) as Sales
FROM Sales
WHERE Sales.Status = 'Won'
GROUP BY Owner, Channel
```