More Computed Column Indexes

Computed Column Indexes

ASCII Text Dump

Introduction Recently, I had the task of analyzing a varchar field for special characters. The field contained text entered by the user with a standard US keyboard; however, the proprietary software was breaking up the text and delimiting it with characters whose ASCII values were above 127. Eyeballing the text that I dumped using a […]

Function and Queries to Convert Hierarchical Adjacency to Nested Json Arrays

This script converts hierarchical adjacency into nested json rows which contain the recursive "downlines" of each node.  The table-valued function treats each row in the original adjacency as the root node in a recursive common table expression. 

The Derived Table

Ending a line with a Backslash

The Computed Column Results

What Does PERCENTILE_CONT Do?

In this article, Kathi Kellenberger takes on a logic puzzle in trying to understand how the windowing function, PERCENTILE_CONT, works.

The Top Ten Percent

Using OFFSET for Paging

This article shows the basics of the OFFSET command.