SQL
`duckdb_extensions`
The `duckdb_extensions()` function provides metadata about the extensions available in the DuckDB instance.  
| Column | Description | Type |
|:--|:------|:-|
| `extension_name` | The name of the extension. | `VARCHAR` |
| `loaded` | `true` if the extension is loaded, `false` if it's not loaded. | `BOOLEAN` |
| `installed` | `true` if the extension is installed, `false` if it's not installed. | `BOOLEAN` |
| `install_path` | `(BUILT-IN)` if the extension is built-in, otherwise, the filesystem path where binary that implements the extension resides. | `VARCHAR` |
| `description` | Human readable text that describes the extension's functionality. | `VARCHAR` |
| `aliases` | List of alternative names for this extension. | `VARCHAR[]` |