External Article

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.

External Article

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.

Blogs

PlanTrace Now Supports PostgreSQL

By

PlanTrace Now Supports PostgreSQL The same plan analysis you know from...

A New Word: the Kinder Surprise

By

the kinder surprise – . the point in your early adolescence when you realize...

Crash-Consistent Snapshot Cloning - Hyper-V Edition

By

If you’ve been following my T-SQL Snapshot Backup series, most of what I’ve covered...

Read the latest Blogs

Forums

Bagaimana cara koreksi tanggal lahir di Tiket.com

By gamesrecon

Koreksi tanggal lahir Anda cukup menghubungi CS Tiket.com di nomor resmi (0821)62909071 atau melalui...

Bagaimana Cara koreksi nama di Tiket.com

By gamesrecon

Koreksi nama Anda cukup menghubungi CS Tiket.com di nomor resmi (0821)62909071 atau melalui whatsapp...

SSRS Is Dead. Here Are Your Real Options

By sgharlow

Comments posted to this topic are about the item SSRS Is Dead. Here Are...

Visit the forum

Question of the Day

The Distance Metric

In the new VECTOR_DISTANCE() function in SQL Server 2025, the first parameter is the distance_metric. What is this?

See possible answers