The SQL Server 2016 Query Store: Analyzing Query Store Performance
There are some obvious advantages to having the Query Store, but what is the performance impact that it is likely to have on a busy OLTP database server? It is early days, of course and until we get more experience we have to rely on Microsoft's estimate of a performance impact of 3-5% on average. However, this will depend on a number of factors such as usage an the way it is configured. Enrico explores some of these factors in order to give a clearer picture of what you should expect.
Adding PK Exceptions to SQLCop Tests
In this piece, Steve Jones shows how you can enforce a requirement of a Primary Key (PK) with a unit test, but also allow exceptions where needed.
Solving Tempdb Issues
A simple change might solve some of those tempdb issues various customers experience.
Performance Surprises and Assumptions : DATEADD()
Aaron Bertrand explores yet another scenario where a date/time function seems to cause the optimizer to behave unexpectedly.
Use Tools
One of the great things about IT is that we have so many tools to help us do our jobs. We can even build tools as needed. So why don't more IT people take advantage of this?
A Lifetime of Software
Today Steve Jones wants you to look forward in your career. Do you enjoy working with software and technology? Do you plan on doing this for the rest of your career?
Data Mining Part 40: Big Data and Microsoft Data Mining
This article will introduce about big data and HDInsight and Hadoop.
SQL Server Security Audit Basics
SQL Server Server Audit has grown in functionality over the years but it can be tricky to maintain and use because it lacks centralization and analysis tools. It can do a fast and lightweight audit of many different activities including DML and DDL at both Instance and Database Levels - even the work of the DBAs. How do you check logins and permissions? How do you script an enterprise-wide audit solution? How can you hope to analyse the log data you get? Feodor Georgiev gets you started.
Blogs
Overcoming Imposter Syndrome: A Plan
By Brian Kelley
My most recent bout with imposter syndrome was with ISACA’s Digital Trust Ecosystem Framework...
Advice I Like: Celebrate Success
By Steve Jones
“On the way to a grand goal, celebrate the smallest victories as if each...
Programmatically Retrieving MLV Lineage and Refresh Times
Materialized lake views (MLVs) in Microsoft Fabric are an effective way to implement medallion...
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Question of the Day
Increase Deadlock Detection
How can I alter the deadlock detection interval to 2 seconds instead of 5 seconds on my SQL Server 2025 instance?
See possible answers