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
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
Dec 16, 2014
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Eight SQL Server Signs the Illuminati Exist

Make no mistake about it, the signs that the Illuminati exist are all around us. You can find their markings on our buildings, on our currency and even in our music videos. That’s right, they’re everywhere!...More
Dec 2, 2014
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AlwaysOn Availability Groups and SQL Server Jobs, Part 16: Job Synchronization Checkup Logic

With Linked Servers configured to allow cross-host or cross-box communication between the servers you’re using to host your AlwaysOn Availability Groups, it’s time to start looking at some scripts that can be used to regularly check whether or not SQL Server Agent jobs are correctly synchronized across all servers in your topology....More
Abstract illustration of linked SQL Servers
Nov 18, 2014
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AlwaysOn Availability Groups and SQL Server Jobs, Part 15: Setting Up Linked Servers

Learn about setting up Linked Server definitions to let two (or more) servers in an AlwaysOn Availability Group talk to each other and check up on job statuses of jobs running on each other....More
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