Update references/lightdash-cli.mdx

Co-Authored-By: mintlify[bot] <109931778+mintlify[bot]@users.noreply.github.com>

Author: owlas

references/lightdash-cli.mdx

@@ -755,6 +755,54 @@ Show diagnostic information with dbt debug for a specific project directory:
 lightdash diagnostics --dbt --project-dir ./my-dbt-project
 ```
 
+### `lightdash sql`
+
+Run a raw SQL query against your data warehouse using the credentials from your currently selected project. Results are exported to a CSV file.
+
+```console
+lightdash sql <query> -o <output_file>
+```
+
+**Required argument:**
+
+- `<query>`
+  - The SQL query to execute
+
+**Required option:**
+
+- `-o, --output <file>`
+  - Output file path for CSV results
+
+**Options:**
+
+- `--limit <number>`
+  - Maximum number of rows to return from the query
+- `--page-size <number>`
+  - Number of rows per page (default: 500, max: 5000)
+- `--verbose`
+  - (default: false)
+  - Show detailed output
+
+**Examples:**
+
+Run a simple query and save results to a CSV file:
+
+```bash
+lightdash sql "SELECT * FROM users LIMIT 100" -o users.csv
+```
+
+Run a query with a row limit:
+
+```bash
+lightdash sql "SELECT * FROM orders" -o orders.csv --limit 1000
+```
+
+Run a query with verbose output to see detailed progress:
+
+```bash
+lightdash sql "SELECT customer_id, SUM(amount) FROM orders GROUP BY 1" -o revenue.csv --verbose
+```
+
 ---
 
 ## dbt options