Saravanan Radhakrishnan

Saravanan
Radhakrishnan

Saravanan Radhakrishnan is the senior production DBA for Revionics in Roseville, CA. He has more than 19 years of experience as a SQL Server DBA.

Articles
How to Dynamically Create and Maintain Table Partitions 1
Loading new data and purging old data from a table can take a lot of time if a large amount of data is involved. Here's an elegant partition solution that loads and purges data dynamically.
Stored Procedure Provides UPDATE STATISTICS Report
With this stored procedure, you can find out the last time the UPDATE STATISTICS statement was run against all the table indexes in a database.
Update the Statistics on Recently Modified Tables Only 4
Running UPDATE STATISTICS is important but can be time-consuming, especially if you have very large tables. Here's a stored procedure that updates statistics only on those tables where the data has been recently changed, saving time and resources.
T-SQL Statement Tracks Transaction-Less Dates 3
A DBA was asked to produce a list of dates in which there were no transactions from a database that included only the dates in which there were transactions. Here's how he pulled it off.

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From the Blogs
Aug 27, 2015
blog

A Replacement for Maintenance Plan Backups

This blog post is a bit of a ‘repeat’ – since I already covered much of the rationale behind this post in Part 23 of my multi-part series on AlwaysOn Availability Groups and SQL Server Agent Jobs. But, I also figured that this is enough of an important topic to merit its own blog post....More
Aug 19, 2015
blog

Looking forward to Containers

Virtualization has long been a staple when it comes to computing. In essence, virtualization is really just the use of abstraction to make things either easier to manage or more fault-tolerant. Disks, for example, have long been virtualized in the sense that a single, physical, can easily be divided up into multiple logical (or virtual) volumes (or drives) just as easily as a number of discreet physical disks can also be virtualized into a single drive (via RAID) – which can further be partitioned into volumes, LUNs, and so....More
Jul 28, 2015
blog

AlwaysOn Availability Groups and SQL Server Jobs, Part 29: Practical Implementation Tips

My initial goal in writing this series of posts was to outline some of the concerns surrounding Availability Groups (AGs) and SQL Server Agent Jobs – and call out how there is virtually no guidance from Microsoft on this front and then detail some of the pitfalls and options available for tackling this problem domain. I initially expected this series of posts to have between 25 and 30 posts – according to some of the early outlines I created ‘way back when’....More
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