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.
Ten tips for building a collaborative DevOps culture
There is more to DevOps than tools and automation. In this article, Robert Sheldon explains how to create a DevOps culture based on collaboration.
Blogs
Flyway Tips: AI Generating Migration Script Names
By Steve Jones
AI is a big deal in 2026, and at Redgate, we’re experimenting with how...
The Book of Redgate: Get the right stuff done
By Steve Jones
Another of our values: The facing page has this quote: “We admire people who...
Runing tSQLt Tests with Claude
By Ed Elliott
Running tSQLt unit tests is great from Visual Studio but my development workflow...
Forums
Introduction of OPTIMIZE_FOR_SEQUENTIAL_KEY = ON
Hi, We have low latency high volume system. I have a table having 3...
The Long Name
Comments posted to this topic are about the item The Long Name
Eight Minutes
Comments posted to this topic are about the item Eight Minutes
Question of the Day
The Long Name
I run this code to create a table:
When I check the length, I get these results:
A table name is limited to 128 characters. How does this work?