Kalen Delaney

Kalen
Delaney

Kalen Delaney has been working with SQL Server for over 26 years and provides SQL Server training and consulting to clients around the world. Her most recent book is SQL Server 2012 Internals (Microsoft Press).

Articles
Is Perfect Software Possible?
Kalen discusses whether there should be a standard for the types of bugs or the number of bugs that are acceptable in a new product release.
SQL Server Makes Philanthropy Easy 2
Kalen discusses how the SQL Server MVP Deep Dives book, written by more than 50 SQL Server MVPs, benefits the War Child International Network.
How to 'Do' a SQL Server Conference Right
Kalen offers advice on deciding how to spend your time at the fall SQL Server conferences.
What Happens to Your Transaction Log in SIMPLE Recovery Model?
In this PASS Summit Unite 2009 Speaker Tip, Kalen Delaney explains how the transaction log behaves in the SIMPLE recovery model in SQL Server 2008.
Does Your Company Need a Full-Time DBA?
If your SQL Server environment doesn't require a full-time DBA, here's what you need to know to make sure you have someone with SQL Server knowledge on-call if necessary.
What’s a Little Education Worth?
As training numbers dip because of the economy, Kalen looks at what SQL Server training is worth.
Want the Latest SQL Server Features? Then Upgrade!
Kalen discusses how you can use features from the latest versions of SQL Server in older versions of SQL Server, and explains the benefit of having to upgrade in order to use new features.
Do You Need a Bit More Power, or 64 Bits? 2
Kalen discusses the benefits to running 64-bit SQL Server systems.
Should You Gather Performance Metrics Yourself?
Kalen explores whether you should collect performance data yourself or use a tool to do it.
Leave the Database Tuning to Us 2
The management data warehouse is useful for tuning queries and applications, but can it automate the database tuning process?
How Many DBAs Does It Take to Administer a Database? 1
What would happen if there was no one to administer SQL Server on a daily basis? Kalen explores how managed service providers can work in this scenario.
Clean Up Your SQL Server Databases 7
The January SQL Server 2008 Boooks Online (BOL) update revealed two stored procedures that previously weren't documented. Learn how you can use sp_clean_db_free_space and sp_clean_db_file_free_space to clean your database files.
Windows Server 2008 Changes Simplify SQL Server Clustering 2
Windows Server 2008 lets you configure the Distributed Transaction Coordinator (DTC) differently in clusters than in Windows Server 2003. Find out how these changes will affect your clustered SQL Server environment.
Multiserver Management with SQL Server 2008’s Central Management Server 1
Lara Rubbelke, who works for Microsoft in Minneapolis, told me one of her favorite SQL Server 2008 features is the Central Management Server (CMS).
Don't Assume It Works: Testing Your Application Before Deployment 3
Kalen points to two free tools that can help you load test your SQL Server applications.

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From the Blogs
Aug 27, 2015
blog

A Replacement for Maintenance Plan Backups

This blog post is a bit of a ‘repeat’ – since I already covered much of the rationale behind this post in Part 23 of my multi-part series on AlwaysOn Availability Groups and SQL Server Agent Jobs. But, I also figured that this is enough of an important topic to merit its own blog post....More
Aug 19, 2015
blog

Looking forward to Containers

Virtualization has long been a staple when it comes to computing. In essence, virtualization is really just the use of abstraction to make things either easier to manage or more fault-tolerant. Disks, for example, have long been virtualized in the sense that a single, physical, can easily be divided up into multiple logical (or virtual) volumes (or drives) just as easily as a number of discreet physical disks can also be virtualized into a single drive (via RAID) – which can further be partitioned into volumes, LUNs, and so....More
Jul 28, 2015
blog

AlwaysOn Availability Groups and SQL Server Jobs, Part 29: Practical Implementation Tips

My initial goal in writing this series of posts was to outline some of the concerns surrounding Availability Groups (AGs) and SQL Server Agent Jobs – and call out how there is virtually no guidance from Microsoft on this front and then detail some of the pitfalls and options available for tackling this problem domain. I initially expected this series of posts to have between 25 and 30 posts – according to some of the early outlines I created ‘way back when’....More
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