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
May 18, 2015
blog

AlwaysOn Availability Groups and SQL Server Jobs, Part 24: Synchronizing SSIS Packages

In my previous post I covered options for adding “If-checks” into SSIS Packages – or SQL Server Maintenance Plans (which are, effectively, specialized SSIS packages). Once you’ve tackled that process, you’ll need to tackle something else when it comes to managing SSIS packages in conjunction with AlwaysOn Availability Groups. Or, more specifically, you’ll actually need to tackle two tasks....More
May 13, 2015
blog

AlwaysOn Availability Groups and SQL Server Jobs, Part 23: Maintenance Plan Backups and SSIS Packages

In my last post, we took a look at some of the details involved in actually implementing backups against databases being hosted in AlwaysOn Availability Groups. In addition to providing a high-level overview of how sys.fn_hadr_backup_is_preferred_replica() works, I also mentioned that integrating it into backups managed by SQL Server Maintenance Plans isn’t as easy as what you’ll run into with other types of backups....More
Apr 28, 2015
blog

AlwaysOn Availability Groups and SQL Server Jobs, Part 22: Executing Backups

Ultimately, there are a number of ways that DBAs can regularly create backups of their databases. Some of the more common options for managing backups include:...More
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