Blogs

Row Width Impact on Version Store Usage under Snapshot Isolation

Row Width Impact on Version Store Usage under Snapshot Isolation

By Kendra Little on May 28, 2018 • 5 min read

A question came up in my webcast today on the topic of Snapshot and Read Committed Snapshot Isolation - what impact will enabling these have on my SQL Server instance?

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Code: Fixing a Filtered Index Which is Causing Data Modifications to Fail

Code: Fixing a Filtered Index Which is Causing Data Modifications to Fail

By Kendra Little on May 23, 2018 • 2 min read

Category: index-tuning

This question came up in a webcast recently: if a filtered index is causing data modifications to fail, does disabling the filtered index fix the problem?

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Free Session! DBA vs Deadlock: How to Out-Index a Deadly Blocking Scenario

Free Session! DBA vs Deadlock: How to Out-Index a Deadly Blocking Scenario

By Kendra Little on May 22, 2018 • 1 min read

DBA vs Deadlock: How to Out-Index a Deadly Blocking Scenario

June 14, 2018 8:30 AM – 9:30 AM PST <- This is past, but no worries, it was recorded

Deadlocks strike fear into the hearts of even seasoned DBAs — but they don’t have to!

In this session, you’ll get the code to cause a sample deadlock in SQL Server. You’ll see how to interpret the deadlock graph to find out where the conflict lies, and how to design an index to make the deadlock disappear.

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What is Deferred Name Resolution, and How Can It Go Wrong?

What is Deferred Name Resolution, and How Can It Go Wrong?

By Kendra Little on May 21, 2018 • 2 min read

I got a question recently about why a particular bit of code was failing when running.

My first thought: oh, that’s probably related to… whatsitcalled.

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Dear SQL DBA: Dealing With a Lack of Control

Dear SQL DBA: Dealing With a Lack of Control

By Kendra Little on May 18, 2018 • 2 min read

Category: dear-sql-dba

This week I discuss a question that I’ve gotten in many forms over the years - a lot of the scenarios are so specific that it’s hard to keep them anonymous, but they can be generalized as a bigger problem: how do I deal with being responsible for things that I can’t fully control?

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Fake News about Auto Parameterization/Simple Parameterization

Fake News about Auto Parameterization/Simple Parameterization

By Kendra Little on May 4, 2018 • 4 min read

I saw a question on Twitter today that took me down a little rabbit hole. And when I go down rabbit holes, I like to blog about it! There’s a TLDR at the bottom of this post if you’re short on time.

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Dear SQL DBA: Do DBAs Need a College Degree?

Dear SQL DBA: Do DBAs Need a College Degree?

By Kendra Little on May 3, 2018 • 25 min read

Our question this week comes from a database administrator who’s excited to be on a healthy career path, building their work experience, getting certified, and working with a more experienced mentor.

But they’re worried: will lacking a college degree block their career growth down the line?

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