--- title: Column List Dialog Box ms.custom: seo-lt-2019 ms.date: 01/19/2017 ms.prod: sql ms.prod_service: sql-tools ms.technology: ssms ms.topic: conceptual f1_keywords: - "vdt.dlgbox.columnlist" ms.assetid: 9ebd08b6-fa93-4581-bb6c-96b51d2c895c author: markingmyname ms.author: maghan ms.manager: jroth ms.reviewer: --- # Column List Dialog Box (Visual Database Tools) [!INCLUDE[appliesto-ss-asdb-asdw-pdw-md](../../includes/appliesto-ss-asdb-asdw-pdw-md.md)] When writing queries, it can be useful to see a list of columns available in your selected table-valued objects. To access this dialog box, from the **Query Designer** menu, in the Diagram pane right-click the header of a table-valued object, and then click **Properties**. In the **Properties** window, click the **Column List** field. Then click the ellipses **(...)** to the right of the field. This dialog box provides a list of the columns in the selected table-valued object and basic properties, such as data types and whether the columns allow null values. ## Options **Name** Shows the name of the columns in the selected table-valued object. **Data Type** Shows the data types for each of the columns in the selected table-valued object. **Data Type Properties** Shows data type properties for each of the columns in the selected table-valued object. The possibilities are NULLABLE, IDENTITY, ROWGUID, and blank. ## See Also [Design Queries and Views How-to Topics (Visual Database Tools)](../../ssms/visual-db-tools/design-queries-and-views-how-to-topics-visual-database-tools.md)