Symptoms
Assume that you have an indexed view that uses the SUM() function in Microsoft SQL Server 2012. After you perform an insert or delete operation on the base table, the view returns incorrect results.
Resolution
The issue was first fixed in the following cumulative update of SQL Server: Cumulative Update 7 for SQL Server 2012 SP2
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
