AlwaysOn encompasses the SQL Server solutions for mission-critical high availability and disaster recovery. Two solutions were included under the AlwaysOn umbrella in SQL Server 2012: Availability Groups and Failover Cluster Instances. Each solution has different characteristics, making them appropriate for different scenarios, and both can be combined in the same deployment.
2013-07-25
2,810 reads
Today's complex systems are too large to be able to rely on any DBA's memory for knowledge of each component, and its configuration options and settings.
2013-07-25
4,301 reads
Looking for a way to put images on SSRS reports and allow the business users to change the images every so often? This article explains how to implement this in such a way that you don't have to modify a report when the image is changed.
2013-07-24
3,805 reads
Tom Stringer (@SQLife) was working on some HADR testing for a customer to simulate many availability groups and introduce significant load into the system to measure overhead and such. In his quest to do that he was seeing behavior that he couldn’t really explain and so worked with him to uncover what was happening under the covers.
2013-07-23
3,177 reads
Our next webinar on July 23rd has Steve Jones presenting on some disaster stories with ideas on how you might prevent, or mitigate the effects, of those problem situations.
2013-07-23 (first published: 2013-07-03)
5,539 reads
Understanding thousands of lines of code of an existing database is very time-consuming and tedious, prone to inadvertent oversight of key logic points. We are looking at advanced ways to provide greater insight into your code base while reducing the numerous demands placed on the developer. Please help us by completing this short survey to help us define the requirements.
2013-07-23
4,797 reads
A table does not so much 'have' a clustered index as a table 'is' a clustered index.
2013-07-22
6,526 reads
This metric measures the amount of memory used in the buffer cache by the largest object (based on the number of pages). It checks the sys.dm_os_buffer_descriptors to identify the object, and returns the relative percentage used. You should use this metric if you want to monitor what is in the buffer area, or if you are having performance-related disk read problems.
2013-07-22
3,313 reads
Cube developers often flippantly use the term XMLA in their discussion of maintaining, scripting, backing up, and restoring cubes and other SSAS objects; what exactly is XMLA and how can it be used? Check out this tip to learn more.
2013-07-22
2,997 reads
Another in the series of articles to help you "fill in the cracks" in your T-SQL knowledge. MVP Jeff Moden shows us a super simple, high performance method to solve this timeless problem.
2013-07-19 (first published: 2011-01-20)
26,964 reads
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
By Steve Jones
“Don’t aim to have others like you; aim to have them respect you.” –...
Many years ago, before I joined Oracle, I was working on a major modernisation...
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