Kalen Delaney

Kalen Delaney has been working with SQL Server for over 30 years, and is one of the world's most respected authorities on SQL Server and a much sought after trainer and speaker. Her book on "SQL Server Internals" is consistently cited as a must-read for aspiring SQL Server professionals.

In-Memory OLTP eBook Download

SQL Server Internals: In-Memory OLTP

In this book, Kalen Delaney explains how the 2016 In-Memory OLTP engine works, how it stores and manipulates data, and how, even with all data stored in memory and no locking or latching, it can still guarantee the ACID properties of all transactions.

5 (1)

You rated this post out of 5. Change rating

2023-04-28 (first published: )

967 reads

SQLServerCentral Article

SQL Server Concurrency: Locking, Blocking and Row Versioning

Your application can have impeachable indexes and queries, but they won't help you if you can't get to your data because another application has it locked. That's why every DBA and developer must understand SQL Server concurrency and how to troubleshoot excessive blocking or deadlocking. Kalen Delaney's book is your guide.

5 (2)

You rated this post out of 5. Change rating

2013-08-26

5,039 reads

SQL Server Concurrency eBook cover

SQL Server Concurrency: Locking, Blocking and Row Versioning

Your application can have impeachable indexes and queries, but they won't help you if you can't get to your data because another application has it locked. That's why every DBA and developer must understand SQL Server concurrency and how to troubleshoot excessive blocking or deadlocking. Kalen Delaney's book is your guide.

You rated this post out of 5. Change rating

2012-10-02

3,638 reads

Blogs

A New Word: Incidental Contact High

By

incidental contact high – n. an innocuous touch by someone just doing their job...

Azure PostgreSQL Flexible Server and Entra Groups

By

My company is moving from an Azure PostgreSQL single server to a flexible server....

Take the 2025 State of Database Landscape Survey

By

The survey is out now and you can share your experiences for a chance...

Read the latest Blogs

Forums

GIT Configuration and Automated Release for Azure Data Factory

By Sucharita Das

Comments posted to this topic are about the item GIT Configuration and Automated Release...

How to Add a New Shared Disk to a WSFC as a SQL Resource

By muhkam

Comments posted to this topic are about the item How to Add a New...

Knowing What You Don't Know

By Louis Davidson (@drsql)

Comments posted to this topic are about the item Knowing What You Don't Know

Visit the forum

Question of the Day

Am I on Synapse?

How can I tell from T-SQL if I'm connected to SQL Server or Synapse Analyics?

See possible answers