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Tools and Scripts

Feature Request – Expand MSX/TSX Capabilities for HADR

Following my presentation of “How to HADR Your SQL Server Jobs” at the HA/DR PASS Virtual Group yesterday, David Klee (@kleegeek) and I continued chatting for a bit longer after the recording was concluded. During which, the MSX/TSX feature of SQL Server came up, and David suggested that I’d utilize my newly earned MVP status to push a feature request to expand these capabilities.

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Bam! Knock it up a notch!

Control SQL Jobs based on HADR Role – Taking it to the Next Level

In one of my previous blog posts, Automatically Enable or Disable Jobs based on HADR Role, I provided a solution for automatically enabling or disabling scheduled jobs in combination with Availability Groups and Database Mirroring. In this blog post, I’m going to build upon my previous solution and improve it even further – taking it to the next level of automation!

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The Ultimate Compression Savings Estimation Script for an Entire Database

Data compression in SQL Server can definitely go a long way in saving storage space, as well as improve performance. It can especially be significant in very large databases. But in certain scenarios it can actually cause more harm than good, and it’s important to identify these scenarios.

I wrote this script which performs compression savings estimation checks for an ENTIRE database. Yeah there are plenty such scripts out there already, but there’s something in particular that they all seem to be missing, and that is the ability to actually generate the relevant remediation commands for you. After all, ain’t nobody got time for writing all those “ALTER TABLE/INDEX” commands themselves!

This is why I created the T-SQL script below. Check out the “messages” tab once the script completes execution, to find the resulting remediation commands. In addition, you will also get a query result with full details.

The script also performs various checks to determine whether PAGE or ROW compression type would be more beneficial (based on stuff such as range scans vs. updates percentage, difference in compression savings, etc.). It has several parameters at the top to control various thresholds and behaviors, so that you could fine tune it for your specific database.

Read More »The Ultimate Compression Savings Estimation Script for an Entire Database