You believe that an index is unused and so could be removed, and yet, your finger hovers nervously over the metaphorical "delete" button. You can't quite bring yourself to do it. Is it really safe to drop this index? Tony wonders if "invisible indexes" might solve this dilemma.
Steve Jones has a day off before SQL Server Connections and brings us a blooper reel for Halloween.
This challenge involves writing a logic to change the column position of values in the output based on the presence and absence of other values on each output row.
It’s actually kind of cool that SQL Rally voting for the pre-conference seminars and voting in the real(ish) world in the USA are coinciding. I’m in the running for the pre-con AND I’m volunteering for an actual election campaign for the first time ever.
Runtime errors and performance issues can be difficult to identify and resolve. One of the primary methods that assist with their resolution involves generating logs, which contain records of events taking place during code execution. This article provides a comprehensive overview of logging options available in SQL Server 2008 R2 Integration Services.
Red Gate is reviewing products in the object-relational mapping tools area--think Entity Framework, Hibernate, LLBLGen--and are keen to speak to people who have ANY experience (good or bad!). Please spare a few minutes online and help us shape our new products.
Self-marketing is not my strong suit. I don't feel very comfortable doing it, but Andy Warren (twitter | blog) suggests that we...
Today we have a guest editorial from Andy Warren asking what you might have done if you lived in the past.
Developing a database can be an trying experience, and it's ways good to see how someone else builds a design. In this new article, MVP Andy Leonard shows us how to build a database using test-driven development for a weather database.
By Steve Jones
“Don’t aim to have others like you; aim to have them respect you.” –...
Many years ago, before I joined Oracle, I was working on a major modernisation...
If you work with data pipelines, SQL, notebooks, or machine learning models, a Mac...
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
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WA:08218154393 Jl. RC. Veteran. 9, dan No.9A, RT.9/RW.3, Bintaro, Kec. Pesanggrahan, Kota Jakarta Selatan,...
In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 3;See possible answers