Prefetching can make a surprising difference to SQL Server query execution times where there is a high incidence of waiting for disk i/o operations, but the benefits come at a cost. Mostly, the Query Optimizer gets it right, but occasionally there are queries that would benefit from tuning.
The design pattern described in this article can be used to develop very efficient CDC operations in large scale implementations.
With all the recent worms and attacks out there, it's only a matter of time before someone focuses more on databases. With that in mind, Steve Jones thinks it's important we learn and use encryption and better security now.
After designing several SSRS reports based on regular relational databases, your boss would now like several new reports to be designed and rolled out to production based on your organization's SSAS OLAP cube. How do you get started with designing a report based on a cube?
A free day of training in Davie, FL this weekend. Come by if you can
Is it worth writing your own software? Steve Jones says you ought to really think about it and perhaps spend time looking to buy something before you build a new application.
If you are trouble-shooting an AlwaysOn Availability Group topology, a study of the wait statistics will give a pointer to many of the causes of problems. Although several wait types are documented, there is nothing like practical experiment to familiarize yourself with new wait stats, and Joe Sack demonstrates a way of testing the sort of waits generated by an availability group under various circumstances.
Our 19th webinar will feature Brad McGehee talking about storage challenges, costs, and potential solutions for better managing your data. Tuesday, June 12, at 4:00pm GMT.
This editorial that was originally published on Aug 15, 2007. It is being rerun as Steve is traveling. This editorial looks at the issues that happen in production and how you should perhaps plan for disasters.
The Database Recovery Advisor in SQL Server 2012 will aid the ability of DBAs to recover their databases to a point in time in a crisis. Read about this new feature and how it can speed the process of recovery.
By Steve Jones
A customer was trying to compare two tables and capture a state as a...
By Zikato
When I'm looking at a query, I bet it's bad if I see... a...
By Steve Jones
This month is a milestone for T-SQL Tuesday. It’s number 200, which doesn’t sound...
Telp Cs: (0821)8200174 Komplek Apartemen Grand Kartini, Ruko. 18, Jl. Kartini Raya No.57, RT.3/RW.2,...
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On my SQL Server 2025, I want to search the error log from my T-SQL code for potential issues and then inform an administrator. What is the current way to easily query the error log?
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