SQL Server 2012

External Article

Tool to help you analyze SQLDIAG and PSSDIAG output

  • Article

SQLDIAG or PSSDIAG are excellent tools used to collect and analyze data in order to identify possible performance root causes. The issue is that the output produced by such utilities is sometimes convoluted, hard to read and hard to understand. In this tip, I will show you a tool that you can use to read and analyze the data collected by these tools.

2009-12-17

2,873 reads

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Question of the Day

BIT_COUNT II

In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data: 

UserID  UserPermissions
15
23
37
4       NULL
What is returned when I run this code: 
select bit_count(UserPermissions) as PermissionCount
from dbo.UserPermission
where UserID = 4;

See possible answers