SQL Server User-Defined Functions
User-Defined Functions (UDFs) are an essential part of the database developers' armoury. They are extraordinarily versatile, but just because you can even use scalar UDFs in WHERE clauses, computed columns and check constraints doesn't mean that you should. Multi-statement UDFs come at a cost and it is good to understand all the restrictions and potential drawbacks. Phil Factor gives an overview of User-defined functions: their virtues, vices and their syntax.
Resolve Network Binding Order Warning in failover cluster
In this article, I’m going to show a procedure to resolve an issue that I found while running cluster validation report. you may receive below warning message that includes information about the cause of the warning, which can help you to resolve the issue.
Find Database Connection Leaks in Your Application
Michael Swart shows how to investigate and fix database connection leaks, an application issue that can lead to connection timeouts.
7 Things Every SQL Server DBA Should Know About Linux
In this tip John Grover will help you make the transition to SQL Server on Linux by explaining the things you need to know.
Configuring Backups Using Veritas Netbackup with AGs
A short description of our experience with Veritas Netbackup on MS SQL Server AG Groups. This article does not give a full description of the procedure for configuring netbackup but highlights a few pitfalls which we think some people will find very useful.
Simple SQL: Attribute Splitting
If the design of a relational database is wrong, no amount of clever DML SQL will make it work well. Dr. Codd’s Information Principle is that you have, inside the entity tables, the columns that model the attributes of that entity. The columns contain scalar values. Tables that model relationships can have attributes, but they must have references to entities in the schema. You split those attributes at your peril. Joe Celko explains the basics.
Azure DWH part 11: Data Warehouse Migration Utility
There is a new utility to import data from SQL Server on premises or Azure SQL to Azure SQL Data Warehouse (ASDW)
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Question of the Day
Upgrading Admin Queries
I have a query from a former DBA that we run on SQL Server 2025 to check on database metadata. This query references sys.sysaltfiles. I want to refactor this code to be more modern. Which DMV should I reference instead?
See possible answers