January 12, 2010

How to quickly determine the DataType and Nullability of a Column in a query in SQL Server Management Studio 2008

When there are too many columns referenced in a query, it becomes difficult to track the datatype of each column referenced in that query. In such cases, SSMS 2008 offers a very handy feature using which you can determine the datatype and nullability of a column without going to the Object Explorer.

This feature is called the ‘Quick Info’ feature and if not already enabled on your machine, this feature can be enabled using Edit > Intellisense > Quick Info


Once enabled, you can then hover your mouse over a column in a query to see it’s datatype and nullability as shown below. Here we are viewing the datatype and nullability of the EmployeeID column.


About The Author

Suprotim Agarwal, ASP.NET Architecture MVP works as an Architect Consultant and provides consultancy on how to design and develop Web applications.

Suprotim is also the founder and primary contributor to DevCurry, DotNetCurry and SQLServerCurry. He has also written an EBook 51 Recipes using jQuery with ASP.NET Controls.

Follow him on twitter @suprotimagarwal

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