Jeff Moden's election to the Exceptional DBA of the Year award for 2011 was a popular one. Although all the finalists were exceptional, Jeff has impressed everyone with his energy, stamina and wit, particularly with his work on SQL Server Central. In conversation with Richard Morris, Jeff comes up with several nuggets of advice and opinion that are valuable for any DBA or database developer.
2011-12-15
5,337 reads
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
2011-12-15
6,329 reads
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.
2011-12-14
6,689 reads
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.
2011-12-14
7,037 reads
With data stored in tables, you have a few options to protect data. Check out this tip to learn more about column level encryption.
2011-12-14
5,812 reads
2011-12-13 (first published: 2010-05-05)
10,851 reads
Learn to simplify date logic using date tables and recursion in T-SQL with this article from David Beardsley.
2011-12-13
11,633 reads
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.
2011-12-13
5,779 reads
It's easy to create a database nowadays with point-'n-click, but if you've left your database's autogrowth settings at their default, you may hit problems in the future. Why? What do I do about it? Read on!
2011-12-13
5,832 reads
Voting is now open to choose the sessions you would like to see at the SQLBits Community Day on 31st March, 2012.
2011-12-13
4,630 reads
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
By way of background, a while back I did video called “My New Favourite...
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
WA:08218154393 Jl. Jenderal Ahmad Yani No.1, Benua Melayu Darat, Kec. Pontianak Sel., Kota Pontianak,...
WA:08218154393 Jl. Jenderal Sudirman No.139, Klandasan Ilir, Kec. Balikpapan Kota, Kota Balikpapan, Kalimantan Timur...
I have this data in the dbo.Commission table in a SQL Server 2022 database.
salesperson commission Brian 12 Brian 16 Andy 7 Andy 14 Andy 21 Steve 20 Steve NULLAll the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
, AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
FROM commission
GROUP BY SalesPerson
GO
What average commission is calculated for Steve? See possible answers