DBA in training: SQL Server under the hood
In this article of the series, Pamela Mooney explains the architecture of SQL Server under the hood, including some query anti-patterns to avoid.
Implementation of Normalization in SQL Server
Introduction In my last article, Discussion on Normalization and Database Design Concepts, I discussed about the normalization concepts. Here, I will take one table in SQL Server and implement different normal forms. As we move up the higher normal forms, we end up on more number of tables. Implementation of Normal Forms Let us start […]
Resolve Git Merge Conflict for SSIS Projects
When working on an SSIS project with multiple developers, a merge conflict can occur in the git repository. In this tip we'll show you how to resolve this type of conflict and provide alternative options.
Securing SQL Server with DoD guidelines
Making sure your SQL Servers are secured against malicious users is difficult. The United States Defense Information Systems Agency (DISA) publishes a set of guidelines for organizations securing different pieces of software that connect to the US Department of Defense’s networks (DoD). Whether you’re working with the DoD or not, these Security Technical Implementation Guides (STIGs) are a good resource to help you understand potential security vulnerabilities and mitigate them.
Dynamically Generate Replication Tasks with Biml and Custom Connectors
This article walks through using Biml with 3rd party connectors to replicate external data to SQL Server in SSIS.
Redistributing Data Across Files
When adding files to a filegroup, SQL Server doesn't automatically balance the data across the files immediately. See how this works and how you can speed this up.
Mastering TempDB: The basics
Mastering TempDB is a critical skills for SQL Server DBAs. In this article, Monica Rathbun explains the basics of TempDB including configuration.
Getting Started with Azure Purview
Introduction Azure Purview is Microsoft’s unified data governance service that helps you discover and get insight into your available data. It replaces Azure Data Catalog and is now based on Apache Atlas, one of the leading open-source data governance and metadata frameworks. Apache Atlas was created by Hortonworks and big names within finance, pharma, etc. […]
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BIT_COUNT II
Comments posted to this topic are about the item BIT_COUNT II
Question of the Day
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