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.
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.
Michael Swart shows how to investigate and fix database connection leaks, an application issue that can lead to connection timeouts.
In this tip John Grover will help you make the transition to SQL Server on Linux by explaining the things you need to know.
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.
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.
There is a new utility to import data from SQL Server on premises or Azure SQL to Azure SQL Data Warehouse (ASDW)
Today Steve Jones talks about the short cuts that developers might take, many of which aren't necessarily helpful.
Thank you to everyone who participated in T-SQL Tuesday #198! When I wrote the...
Efficient query performance in Amazon Redshift often comes down to how well you manage...
By gbargsley
Welcome back to PowerShell Strikes Back. We’re three weeks in, and the training is...
Recently, our dev teams approach me for advice on improving their huge heap table...
After upgrading 2 Merge Replicated databases to SQL 2022 and re-establishing the Merge Replication...
Comments posted to this topic are about the item Why Your Index Isn't Being...
What are the distance metric algorithms that can be used in VECTOR_DISTANCE()?
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