Viva
Microsoft is working on the future of work, and adapting to remote work. Steve isn't sure this will work, but they have at least one interesting technology idea he likes.
sqldf in R Example for SQL Server
R has a package called sqldf that allows developers to manipulate data inside a dataframe in the same way a SQL developer queries a SQL table which we will cover with examples in this article.
Common Table Expression Misunderstandings
I frequently use Common Table Expressions (CTEs) when I demo windowing functions and get questions about them. Windowing functions are limited to the SELECT and ORDER BY clause which means that you can’t filter or group on them directly. Using a CTE is one way to separate the logic of the query into multiple steps […]
Monitoring the Number of Connections
Monitoring your SQL Server is important. This article examines one of the metrics you might want to keep an eye on.
Stairway to SQL Server Extended Events Level 3: Working with the Extended Events UI
In the next installment of our stairway to Extended Events, we delve into the Live Data and Target Data Viewers.
What's a Lot of Money?
Handling a budget can be an interesting experience for many technical professionals. Today Steve wonders if you treat this differently than your budget at home.
Customizing Database Deployments using Flyway Callbacks and Placeholders
How to customize a database deployment process using Flyway, demonstrating how to incorporate tasks such stamping a version number into the latest database build, or writing to the SQL Server log.
Partitioned Tables Cause Longer Plan Compilation Times
Folks sometimes ask, “When a table has more indexes, and SQL Server has more decisions to make, does that slow down execution plan generation?”. Brent Ozar talks through his response in this article.
Query Optimizer Suggests Wrong Index and Query Plan -- Why?
A good example where the Query optimizer picks the wrong query plan and suggested index.
UX Matters
User interface is a part of software development that many technical people pay little attention to during the process of building something. However, it can be a problem for your customers.
Blogs
Troubleshooting SQL Server – Starting with the Error Log
By gbargsley
We’ve all been there. Someone walks up and asks, “Is SQL Server having issues?”...
From OLTP to Analytics: Bridging the Gap with Modern SQL Architectures
By Chris Yates
In the beginning, there was OLTP – Online Transaction Processing. Fast, reliable, and ruthlessly...
Free Online Sessions – Building the €100 DWH and Indexing for Dummies
I’m giving two online sessions soon on virtual events that are free to attend....
Forums
The Security of Old Tech
Comments posted to this topic are about the item The Security of Old Tech
Revisiting SQL Server Window Functions- A Practical Walkthrough
Comments posted to this topic are about the item Revisiting SQL Server Window Functions-...
Tables with a SPARSE Column and Consumption
Comments posted to this topic are about the item Tables with a SPARSE Column...
Question of the Day
Tables with a SPARSE Column and Consumption
True or False: Tables with a SPARSE column consume more space than regular columns if most values are NOT NULL.
See possible answers