Some T-SQL INSERTs DO Follow the Fill Factor! (SQL Oolie)

With origins from the world of “Submarine ‘Dolphin’ Qualification” questions, an “Oolie” is a difficult question to answer, or the knowledge or fact needed to answer such a question, that may or may not pertain to one's duties but tests one's knowledge of a system or process to the limit. Introduction Contrary to what many […]

Creating External Tables

Create a Tally Function (fnTally)

Many people have published high performance, read-less, Inline Table Valued functions that use Itzik Ben-Gan's wonderful "Virtual Numbers Table" to replace WHILE loops and other forms of RBAR. This one is Jeff Moden's version.

SQL Update Statement Awareness

Modeling Time

There are those who argue that time doesn’t really exist; it’s just an illusion. That debate won’t keep you from storing and manipulating dates and time in SQL Server. In this article, Joe Celko discusses some of the many ways that SQL Server treats temporal data types.

SQL and T-SQL for Beginners in 229 minutes

The the basics of SQL and T-SQL in this short course of videos that explain some of the concepts.

Politics makes for bad databases - plus calculate British holidays

In this piece, learn about changes in UK holidays and get a script to calculate them.

The CUME_DIST ranking

Getting the Options

The special columns