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Matrix Math in SQL

Relational Datbases have tables as data structures, not arrays. This makes it tricky and slow to do matrix operations, but it doesn't mean it is impossible to do. Joe gives the Celko Slant on how to go about doing Matrix Math in SQL.

SQLServerCentral Editorial

Remote DBAs

There's still hope for all you DBAs out there looking for a telecommuting job that allows you to work in your pajamas. Someone sent me this case study about remote DBAs and I decided to pass it along. It's a one page PDF, and it's a fluff piece to some extent for Bluewolf, a company that has outsourced IT staffing, but has a section on remote DBA work as well

SQLServerCentral Editorial

Challenge Yourself

Challenge yourself to find new tools and use them in your work. That's today's message from Steve Jones. (This editorial was originally published on Aug 5, 2007. It is being re-run as Steve is away on the SQL in the City US 2012 tour.)

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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;

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