"A recent blog entry I read reminded me again that I wanted to rant about an issue in SQL Server for quite some time now. SQL Server 2005 introduced the separation between user and schema. Though schemata already existed before SQL Server 2005, they really became usable with this version, imho. At the same time TRY...CATCH was a new way for structured error handling introduced. And so it finally became possible…"
31 Days of SSIS
The last post in the 31 Days of SSIS talked about the use of environmental variables. As...
I set up a new instance of MS SQL Server Reporting Services, but I noticed that it starts up very slow and I have to wait for ages to access the site. I also noticed that it is always slow when it has not been used for a certain period of time.
Optimizing queries is the most fun when you don’t need to add indexes. There’s nothing quite so nice as finding...
SQLServerCentral has a new place for discussions and Steve Jones hopes you use it. It's a forum built for critiquing and discussion the presentations that the SQL Server community shares with each other.
There still seems to be a lot of fear, uncertainty and doubt, in the community, with regard to use of Hyper-threading (HT) with SQL Server workloads. So, how and when should it be used?
This challenge is to parse and evaluate arithmetic expressions using TSQL.
Here is another example CPU throttling from someone who had a server running with the default “Balanced” Power Plan in...
The BIT data type is an awkward fit for a SQL database. It doesn't have just two values, and it can do unexpected things in expressions. What is worse, it is a flag rather than a predicate, and so its overuse, along with bit masks, is a prime candidate for being listed as a 'SQL Code Smell'. Joe Celko makes the case.
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