Both Serializable and Snapshot isolation levels exclude concurrency issues such as Dirty Reads, Non-repeatable Reads and Phantoms. However the way in which they deal with such issues is quite different. In this article, Sergey Gigoyan explains the main differences between the two.
2016-01-13
3,453 reads
There are several ingenious ways of using SQL References to enforce integrity declaratively. Declarative Referential Integrity (DRI) is more effective than using procedural code in triggers, procedures or application layers because it uses the SQL paradigm, thereby making optimisation easier and providing clearer expression of the rules underlying the data. Joe Celko explains.
2016-01-12
6,270 reads
Both management and various departments rely on data reports to help guide their business decisions. Rob Gravelle presents ten open source and commercial report generation tools for MySQL and other relational databases.
2016-01-11
4,964 reads
SQL Server 2016 comes with several new features including new DAX functions to enrich the functionality, Daniel Calbimonte takes a look.
2016-01-08
4,503 reads
At last, SQL Server has caught up with other RDBMSs by providing a useful measure of JSON-support. It is a useful start, even though it is nothing like as comprehensive as the existing XML support. For many applications, what is provided will be sufficient. Robert Sheldon describes what is there and what isn't.
2016-01-07
9,007 reads
It is important to only allow authorized individuals access to confidential data. Therefore when setting up an Always Encrypted table it is important to consider splitting configuration tasks between multiple individuals/groups to improve security. Follow Greg Larsen as he shows how to setup up SQL Server Always Encrypted tables where database administrators can’t see the clear text confidential data.
2016-01-06
4,919 reads
Paul White spends some time optimizing update queries in order to explore some SQL Server internals.
2016-01-05
7,525 reads
Sometimes the stress of interdepartmental friction within organisations can get on top of you, especially between the business and IT when the going gets tough. Simple-Talk's answer is a board game to put it all into perspective. Instead of getting carried away, play the board game instead and reach catharsis.
2016-01-04
2,372 reads
PowerShell is like any computer language: you must understand the paradigms, the constructs, and the way it is designed to work to get the most value from it. It is no good just translating 'sausage-string' procedural algorithms. To demonstrate how Powersahell should be used as its' creators intended, Laerte Junior shows the difference between PowerShell problem-solving with, and without, PowerShell paradigms.
2016-01-01
6,637 reads
Kendra Little takes a look at the upcoming SQL Server 2016 'Number of Rows Read' feature in action.
2015-12-31
4,462 reads
By Steve Jones
Learn how to tie a bowline knot. Practice in the dark. With one hand....
By HeyMo0sh
As a DevOps practitioner, I’ve always focused on performance, scalability, and automation. But as...
By Brian Kelley
On Patch Tuesday, in addition to OS and Office security patches, Microsoft also released...
Comments posted to this topic are about the item Multiple Deployment Processes
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Comments posted to this topic are about the item Upgrading Admin Queries
I have a query from a former DBA that we run on SQL Server 2025 to check on database metadata. This query references sys.sysaltfiles. I want to refactor this code to be more modern. Which DMV should I reference instead?
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