Kathi Kellenberger

Kathi Kellenberger is a Customer Success Engineer at Redgate and a Microsoft Data Platform MVP. She has worked with SQL Server for over 20 years and has authored, co-authored, or tech edited more than 20 technical books. Kathi is a volunteer at LaunchCode, the St. Louis based organization providing free training and paid apprenticeships in technology. When Kathi isn’t working she enjoys spending time with family and friends, cycling, singing, and climbing the stairs of tall buildings. Be sure to check out her courses on Pluralsight.

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20 April 2021
20 April 2021

How different roles view database DevOps

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Redgate released the 2021 State of Database DevOps Report in February, and I wrote a short article talking about the key insights from the report. More recently, I decided to take a deeper look at the data, especially how folks from different roles answered the survey questions. To simplify my analysis, I grouped respondents into … Read more
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24 March 2021
24 March 2021

To soon?

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I’ve noticed that some television shows have been incorporating the Covid-19 pandemic into their recent episodes. (There are some spoilers here, so read with caution!) A medical series, “The Good Doctor,” featured it in two episodes and then, magically, the pandemic was over. The popular series “This is Us” is trying to set a good … Read more
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23 February 2021
23 February 2021

Do something that scares you

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Recently, the editor of SQLServerCentral.com, Steve Jones, shared a video in our team Slack channel that talked about how you shouldn’t feel like an imposter when you get out of your comfort zone. It talked about how incredibly successful people didn’t know how to do what they eventually accomplished back when they started. For example, … Read more
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15 February 2021
15 February 2021

Key insights from the 2021 State of Database DevOps survey

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This is the fifth year that Redgate has surveyed IT professionals about their organization’s DevOps practices. Each year, the number of respondents increases, reaching 3,200 submissions this year. An interesting new topic to consider this year is how the Covid-19 pandemic affected DevOps practices. Here are the some of the key insights found in the … Read more
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22 December 2020
22 December 2020

Security is hard work

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I was once a database administrator in charge of several SQL Servers hosting the databases of vendor apps. Right after taking the job, I began looking at things like backups and security. I was quite shocked to find that one of the most important SQL Servers in the firm had a blank sa password. I … Read more
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20 October 2020
20 October 2020

Is communication always important?

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Conventional wisdom says that communication is the critical for success in just about any aspect of life, be that personal relationships or within teams or corporations. Of course, miscommunication can cause all sorts of problems. Communication has changed drastically over the past few centuries due to technology. We’ve gone from the ability to speak mostly … Read more
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06 October 2020
06 October 2020

Spreadsheet blamed for UK Covid-19 testing debacle

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Whenever I teach database topics to a class of beginners, someone inevitably says that  Microsoft Excel is a database. Excel is an amazing tool with built-in functionality for financial calculations, statistics, and more, but it’s not a database. It’s great for keeping track and organizing small amounts of data, but it doesn’t meet the requirements … Read more
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09 September 2020
09 September 2020

How to make classifying SQL Server data easier

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Classifying the data within an organization is not just something nice to do. It’s critical for complying with regulations such as The General Data Protection Regulation (GDPR), California Consumer Privacy Act (CCPA), The Health Insurance Portability and Accountability Act (HIPAA), The Australian Privacy Act, and a host of other privacy laws enacted throughout the world. … Read more
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25 July 2020
25 July 2020

Keeping up with SQL Server

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I gave a session for the recent PASS Marathon entitled “Modern T-SQL for Better Performance.” During the session, I talked mostly about windowing functions. These functions introduced in 2005 and 2012 not only make writing T-SQL code easier, but often it’s better performing as well. In many cases, they can help you avoid self-joins and … Read more
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02 June 2020
02 June 2020

Too Much Stuff

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We’ve lived in our current home for 30 years and have managed to accumulate a lot of possessions. We have closets, drawers, cabinets and a storage shed filled with things, many of which we don’t remember buying or receiving in the first place. I haven’t quite gotten into the Marie Kondo way of organizing yet, … Read more
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