String or binary data would be truncated
This is an error that has plagued SQL Server for a long time. It should be fixed.
Calculating MTD, QTD, YTD, Running and Cumulative Total in Power BI
In this tip, you will be walked through a method to calculate MTD, QTD, YTD and running total in Power BI. This method is useful in stock calculations and balance sheet calculations.
Introduction to T-SQL Window Functions
T-SQL window functions were introduced in 2005 with more functionality added in 2012. Many database professionals are not aware of these useful functions. In this article, Kathi Kellenberger provides a quick overview of just what a window function is as well as examples of each type of function.
When Work Gets in the Way of Work
Work sometimes gets in the way of work. Steve Jones notes this can cause stress and problems over time.
Scale-Out SQL Server Integration Services Environment: A Sample Pattern
This white paper illustrates how Microsoft SQL Server Integration Services (SSIS) can be used in conjunction with commodity hardware or virtual machines running in Microsoft Azure to build elastic, highly available, and highly scalable ETL solutions.
Azure DWH part 28: The ASDW enemies
This time, we will talk about the competition or alternatives to Azure SQL Data Warehouse.
Detecting Data Breaches
Data breaches make the news on an almost daily basis. There is no turning back, however, as we are firmly entrenched in this digital way of life. Brian Kelley discusses some of the reasons data breaches occur and what we can do to prevent them.
Optimizing Your Query Plans with the SQL Server 2014 Cardinality Estimator
SQL Server 2014 introduces the first major redesign of the SQL Server Query Optimizer cardinality estimation process since version 7.0. The goal for the redesign was to improve accuracy, consistency and supportability of key areas within the cardinality estimation process, ultimately affecting average query execution plan quality and associated workload performance. This paper provides an overview of the primary changes made to the cardinality estimator functionality by the Microsoft query processor team, covering how to enable and disable the new cardinality estimator behavior, and showing how to troubleshoot plan-quality regressions if and when they occur.
Blogs
Advice I Like: Respect
By Steve Jones
“Don’t aim to have others like you; aim to have them respect you.” –...
Blue Sky Programming – The Optimism Trap
Many years ago, before I joined Oracle, I was working on a major modernisation...
Setting Up a Mac for Data Engineering and AI Work
If you work with data pipelines, SQL, notebooks, or machine learning models, a Mac...
Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
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Question of the Day
BIT_COUNT I
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