Every once in awhile a table gets created without a primary key and duplicate records get entered. The problem gets even worse when you have two identical rows in the table and there is no way to distinguish between the two rows. So how do you delete the duplicate record?
When you're developing a database, the pressure is on to get something that works, using an efficient algorithm. When you are getting close to a release candidate, however, there are some programming habits that must be removed from the code, because they can cause unexpected performance problems. In this article, you'll learn how to detect and remove one such problem: reliance on implicit datatype conversions in your queries. We'll use a combination of plan cache queries, extended events, and SQL Monitor.
Learn how to correct an error that is overloading SCOM by fixing an SPN.
Containers have already transformed the way application development works, but adoption has been slower for databases. Finally, the revolution is beginning. In this post, Kendra Little shares the two ways in which containers will dramatically change the way teams develop and deploy database changes.
Data sizes are always growing. Stats on world data are astounding, as are the stats many of us experience in our lives. Plenty of us have moved from MB management to GBs, and I see plenty of people dealing with TB storage at home. Most of that data is likely from images and video, but […]
Do table variables and variables respect transactions? If we set the value of a variable during a transaction, and we roll it back, what happens?
Learn how to get Windows Authentication working on an Ubuntu SQL Server on Linux instance.
Today Steve talks about limiting security issues for administrators.
Join Microsoft MVP Kendra Little to discover how you can fully left-shift your deployments with version control and automatic cloning using Redgate's latest innovations.
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Which movie featured this quote?
"All programs have a desire to be useful."Happy April Fools! See possible answers