One of the constant questions I get from Redgate customers is about rolling back database changes. We build software to help you deploy changes, but what about rollbacks? I think I've heard this in almost every conversation I've had on this topic in the last 5 years. It's one reason that Flyway has undo, though […]
In the last year I’ve published articles on indexes to include Indexes: When Column Selectivity Is Not Always A Requirement – SQLServerCentral and Query Optimizer Suggests Wrong Index and Query Plan -- Why? – SQLServerCentral. This article is a continuation of just how the optimizer interacts with the index wizard. We’ve all heard and read […]
This statement can be the biggest hurdle in changing software development and deployment processes. So, the question comes up pretty frequently: How do you overcome it? Grant Fritchey explores techniques to understand and coach others towards change.
Power BI and Jupyter Notebooks are popular tools, but you may have never thought about using them together. Dennes Torres demonstrates how to do that and also asks why.
This article helps to create a data flow in Azure Data Factory, add conditional split logic to the flow, and transfer data from a file to an Azure SQL Database.
July is starting, and with it we move to the second half of 2021, or H2 2021 for those of you that like the planning shorthand on roadmaps and project manager boards. The first half of 2021 has felt like a big of progress in the world, as we try to recover from the pandemic […]
When you are using Flyway, how can you test your database migration script first to make sure it works exactly as you intended before you let Flyway execute it?
When you’re working with T-SQL, you’ll often see SET NOCOUNT ON at the beginning of stored procedures and triggers. What SET NCOUNT ON does is prevent the “1 row affected” messages from being returned for every operation. Read Brent's blog to see him demo it by writing a stored procedure in the Stack Overflow database.
This is the Fourth of July weekend here in the US when we celebrate the birth of the country based on the publication of the Declaration of Independence. For those who don't know, this celebration mostly consists of fireworks and outdoor cookouts. However, at our house we've always tried to do a little bit more […]
We're coming up on the middle of the year, and I wonder if you are improving your career this year? Did you make plans and are you sticking to them? I've been tracking progress on my goals, and so far mediocre progress. It's tough to learn, but even tougher to learn when you don't have […]
By Steve Jones
I wrote about learning today for the editorial: I Can’t Make You Learn. I...
By ReviewMyDB
Fabric has CI/CD built in, but if you've tried to use it for database...
By Steve Jones
attriage – n. the state of having lost all control over how you feel...
I have a need to execute a stored procedure and return the results to...
Title pretty much says it all - can this be done? I've tried several...
Comments posted to this topic are about the item 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