Traditionally, importing key-value data stores such as Redis into BI, reporting, and ETL tools is problematic, if not impossible. With the CData Drivers, there are several different ways to building a traditional database model to easily work with Redis data in the BI, reporting, ETL, and custom applications of your choice. In this article, we discuss […]
Our series of ‘DBAs at work’ blog posts feature conversations with IT leaders and experts about the challenges of managing and monitoring their server estates. Episode 1 features Dennis Heitmann, Database Administrator at Atruvia, which provides IT services for banking clients in Germany.
It’s possible to query blob storage using SQL, but what about performance? In this article, Dennes Torres compares several query methods to see which one performs the best.
Introduction I have to admit that I love SSMS. It is a great tool, and I felt furious when a colleague mentioned that Azure Data Studio will replace SSMS in the long run. In this new article, we will talk about the main differences between Azure Data Studio and SSMS. We will see if my […]
In this article we compare performance differences when splitting comma separated strings using TVPs, TVFs, openjson, string_split and more.
Learn how to create and maintain a 'data dictionary' for your databases, in JSON format, which you can then use to add and update the table descriptions, whenever you build a new version using Flyway.
APIs require up-to-date and strong documentation, increased security levels, comprehensive testing, routine versioning, and high-reliability to be appropriately utilized. With the CData SSIS Data Flow components you can import and export data from various data sources. However, in some cases the type of operation you need does not fit the SSIS Source or the SSIS Destination model. The […]
We now know when the next version of SQL Server is coming. At Ignite last week, Microsoft announced SQL Server 2022, which comes nearly 3 years after the last version, SQL Server 2019. Apparently, the pandemic's effects include delays in product development as it's been nearly three years since SQL Server 2019. The new version […]
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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