Handling Aggregations on a Poorly Designed Database
When the database design is not great, you may have to write some creative queries to get what you need.
The Dangers of using Float or Real Datatypes
Floating point datatypes accommodate very big numbers but sacrifice precision. They are handy for some types of scientific calculations, but are dangerous when used more widely, because they can introduce big rounding errors.
Using SQL Server RAND Function Deep Dive
Dr. Dallas Snider, a MSSQLTips author, mentioned that SQL Server RAND() function could generate random values uniformly distributed from 0 through 1, exclusive. He generated random numbers from the normal distribution with a specific mean and standard deviation.
A New World of Data
I started in the early days of SQL Server, when having a gigabyte of disk storage was unheard of, much less a gigabyte of RAM. My watch has more storage space than the mainframe we replaced with an early version of SQL Server years ago. The technical possibilities and amounts of data we are capable […]
A quick search without an index
Alex Chamchourine explains how he managed to find a row in a billion row table without an index.
Checking for Database Events Using Extended Events and SQL Monitor
You need to make sure that nobody tampers with your production databases, or really any databases outside Development. Even if you weren't of a nervous disposition, you'd want to know if a database was stopped or removed. You'd also be intrigued by the sudden unrehearsed addition of a database to a production server.
Simple DBCC CHECKDB process to report on database corruption for all SQL Server databases
As DBAs, we all know how important it is to check all of the SQL Server databases under our care for potential corruption issues. However, to accomplish that, we might not have the time to do any of the following:
Collections
Problem The usage of a collection of integers in some scenarios is considered to be optimal because of the overhead involved by the creation of another user table used just to store numbers, which is the most common solution. What are collections of integers? They are lists or arrays consisting of integers. The number of […]
Blogs
Houston AI-Lytics 2026–Powerpoint Slides
By Steve Jones
Thanks to everyone for attending my session on running a Local LLM. If you...
The Book of Redgate: Do the Right Things
By Steve Jones
I do believe that Redgate has been very customer focused since it’s inception. I’ve...
GenAI vs Dashboards: Not the Same (And Never Will Be)
By James Serra
There’s a question I’ve been hearing more and more lately, especially as Copilot, Fabric,...
Forums
T-SQL in SQL Server 2025: JSON_ARRAYAGG
Comments posted to this topic are about the item T-SQL in SQL Server 2025:...
Spring Connections and Learning at PASS On Tour
Comments posted to this topic are about the item Spring Connections and Learning at...
Multiple Sequence Values
Comments posted to this topic are about the item Multiple Sequence Values
Question of the Day
Multiple Sequence Values
How do I easily get the next 12 sequence values from a sequence object?
See possible answers