August 17, 2014

List Empty Tables in SQL Server

I was recently doing a clean up of my website database. I remember creating some tables on my database but never adding any new rows to it.

Here’s a simple query to list all empty tables in your SQL Server database that uses a Dynamic Management View called dm_db_partition_stats which returns page and row-count information for every partition in the current database.

;WITH EmptyRows AS
   SELECT SUM(row_count) AS [TotalRows],
          OBJECT_NAME(OBJECT_ID) AS TableName
   FROM sys.dm_db_partition_stats
   WHERE index_id = 0 OR index_id = 1
WHERE [TotalRows] = 0


Note that the results from the view is only approximate. If there are any active transactions that are inserting or deleting rows, the count may not include it.

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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.

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