When Does Index Size Change Index Choice?
Erik purposely fragments indexes trying to slow down queries.
2018-02-15
3,508 reads
Additional Articles
SQL Server Machine Learning Services – Part 4: Finding Data Anomalies with Python
Python is widely used to analyze data. One such use is to find anomalies or outliers. In this article, Robert Sheldon demonstrates how to create a support vector machine (SVM) to score test data so that outliers can be viewed on a scatter plot.
2018-02-14
3,434 reads
Updating an expired SQL Server TDE certificate
Simon Liew explains how to generate a new TDE certificate to replace the previous, and also looks at the steps needed if the database is in an Availability Group.
2018-02-13
2,865 reads
How to Implement Dynamic Data Masking in Azure SQL Database and SQL Server
Anoop Kumar shows you the SQL Commands (T-SQL) to secure PII/PHI data using the SQL Server Dynamic Data Masking (DDM) feature and explores DDM's built in functions to mask all critical data elements. DDM restricts unauthorized users from accessing critical data with no changes in the application.
2018-02-12
2,929 reads
Azure Cosmos DB Consistency Levels
The majority of traditional database management systems are responsible for making sure that any changes to their data are consistently reflected in the results of subsequent queries. Azure Cosmos DB extends the range of consistency options by providing support for bounded-staleness, session, and consistent prefix models.
2018-02-09
2,650 reads
Mobile Report Publisher – Dashboards Everywhere
The new feature, Mobile Reports, was added to SSRS in 2016. It provides the ability to create attractive and useful dashboards that can run on devices and most browsers. Robert Cain shows you how to get started building Mobile Reports with the Mobile Report Publisher.
2018-02-08
3,562 reads
Heaps, Deletes, and Optimistic Isolation Levels
Erik shows that heaps have even more drawbacks under optimistic concurrency.
2018-02-07
2,743 reads
Building a Custom Blocked Process Report
Blocking in SQL Server is normal behavior, but excessive blocking can lead to many complaints and is a symptom of poor performance. SQL Server contains a vast amount of information that can help when troubleshooting performance issues like blocking, but understanding and gathering that information when you need it is a lot of work. Darko Martinovic explains his solution for a custom blocking report.
2018-02-06
3,868 reads
Add a SQL Server Database to an Existing Always On Availability Group
In this tip, Manvendra Singh will cover how to add another database to an existing Always On Availability Group.
2018-02-05
2,385 reads
Install and Configure SQL Server 2017 Availability Groups on Linux - Part 3
In this tip, Edwin Sarmiento looks at how to create the Always On Availability Group with a listener name when using SQL Server on Linux.
2018-02-02
3,045 reads
Blogs
Prime Day Recommendations
By Steve Jones
It’s Prime Day. A few of my recommendations, since I want to do some...
Fabric for Operational Reporting & SQL Endpoint Trap
With Fabric Mirroring, Microsoft is promoting a nice and appealing story for operational reporting...
Crawl, Walk, Run with Agentic Development of Power BI Assets
If you’ve been watching AI roll through the data community and thinking, “this seems...
Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
Concurrency and Baseline Control: Level 5 of the Stairway to Reliable Database Deployments
Comments posted to this topic are about the item Concurrency and Baseline Control: Level...
Spending Time in the Office
Comments posted to this topic are about the item Spending Time in the Office
Question of the Day
Multiple Values Inserted
I have this code on SQL Server 2022. What happens when it runs all at once?
DROP TABLE IF EXISTS dbo.Commission GO CREATE TABLE dbo.Commission (id INT NOT NULL IDENTITY(1,1) CONSTRAINT CommissionPK PRIMARY KEY , salesperson VARCHAR(20) , commission VARCHAR(20) ) GO INSERT dbo.Commission ( salesperson, commission) VALUES ( 'Brian', 12 ), ( 'Brian', 'None' ) GOSee possible answers