What is normal? Finding outliers with R
How do you currently set alerting thresholds? What is normal? And more importantly, what is truly abnormal? We will explore these questions.
2017-06-13
1,805 reads
Nick Burns
Combining R and SQL Server to diagnose performance bottlenecks
Using clustering algorithms to analyse index usage data from SQL Server’s DMVs & simplify complex performance investigations.
2017-05-29 (first published: 2015-12-07)
9,871 reads
Using R to Identify Key Features Quickly
Typical BI dashboards display data summaries like counts and averages. We use R to extend on these to identify key associations in a dataset.
2017-01-09
2,336 reads
Beyond prediction with R & SQL Server
Predictive / prescriptive analytics is regarded the highest level of advanced analytics. In this post, we emphasise the importance of exploratory analytics to derive meaningful insight.
2016-08-18
2,195 reads
Adding an Article Without a Full Snapshot
Have you got transactional replication in your SQL environment? Do you need to add a new table to your publication, but can't afford the time necessary to create a full new snapshot? Here is a step-by-step guide. Thankfully, adding a single table is easier than I thought.
2015-01-05
21,542 reads
Blogs
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Don’t Miss Out – SQL Server Query Tuning Fundamentals Starts Next Monday!
Next Monday, February 9, 2026, my one-day live online training SQL Server Query Tuning...
Forums
Huge frustration - Database watcher with two elastic pools
Think there's a reason why this is still in preview, but have someone manage...
SQL Server 2025 Query Performance Tuning: Troubleshoot and Optimize Query Performance
Comments posted to this topic are about the item SQL Server 2025 Query Performance...
Is it uncommon for Dev's to have a data model of the source data
This is a generic question. To the moderators, I wasn't sure where to place...
Question of the Day
Creating JSON I
On SQL Server 2025, what happens when I run this code:
SELECT JSON_OBJECTAGG( 'City':'Denver') GOSee possible answers