On Thursday December 15th at 8PM Pacific, Jeremy will discuss the strengths and disadvantages of a row-versioned data warehouse design in the context of a real world case study, sharing lessons learnt and demonstrating some of the technologies and techniques used to build a row-versioned data warehouse
If you would like to tackle an interesting project at work or find yourself something new to do next year, read this idea from Steve Jones.
In this Level you will see how to use the ORDER BY clause to return your data in a sorted order.
I’ve been working with execution plans quite a lot in SQL Server 2012. There are a number of changes, most of them associated with new or different functionality. I had not noticed anything really fundamental until recently. I’ve become a huge proponent of always checking the properties of the SELECT statement. There’s so much useful information in there about what’s happened with the plan generation in the optimizer (not low level stuff, but the big picture items) that you should always be checking it first as a fundamental part of your plan examinations.
Backups are an everyday part of DBA life, whereas restores tend to happen on call at 3 a.m. In this article, Grant Fritchey looks at what you should be doing to make your restores as quick and seamless as possible.
With data stored in tables, you have a few options to protect data. Check out this tip to learn more about column level encryption.
Instagram has a complex architecture for it's technology infrastructure. The people that work there have to be jacks of all trades. Is that the type of environment you'd like to work in?
Learn to simplify date logic using date tables and recursion in T-SQL with this article from David Beardsley.
A table that does not have a clustered index is referred to as a Heap. While a lot has been written about index fragmentation and how to defrag indexes, there is not much that talks about how to defrag a heap table.
By Steve Jones
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In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 3;See possible answers