General Purpose Tier for Azure SQL Database
Five years ago, there were a limited number of ways to deploy and use the SQL Server engine in the Azure Cloud. Today, there are many different services available.
Record responses for the State of Database DevOps report
The fourth annual State of Database DevOps report is now available for download. Kendra Little announces the launch in her latest blog. Check out the first high level findings of the report here.
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:
Blogs
KDA: Echoes of Deception - Case 6
By Zikato
A cryptic message, a book cipher hidden in art provenance records, and a trail...
Capturing My Own Metrics: #SQLNewBlogger
By Steve Jones
A customer was trying to compare two tables and capture a state as a...
Red Flags in Your Query (T-SQL Tuesday #200)
By Zikato
When I'm looking at a query, I bet it's bad if I see... a...
Forums
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Question of the Day
BIT_COUNT II
In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37 4 NULLWhat is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 4;See possible answers