2024-11-25
179 reads
math
Banker’s Rounding. What is it good for?
An in depth look at the implications of using Banker's Rounding.
2020-06-15
18,652 reads
Optimize Your SQL by Reformulating the Spec
As SQL developers, we tend to think of performance tuning in terms of crafting the best table indices, avoiding scalar and table valued functions, and analyzing query plans (among other things). But sometimes going back to the spec and applying some properties of elementary math can be the best way to begin to improve performance of SQL queries which implement mathematical formulas. This article is a case study of how I used this technique to optimize my SQL implementation of the Inverse Simpson Index.
2021-05-07 (first published: 2019-09-12)
5,397 reads
SQL for 8-year-old Math…But Be Careful of Implicit Type Conversion
How we can use SQL to solve a math problem published in The Guardian...but with a caution about implicit type conversion.
2015-07-14
7,512 reads
Integer left and right shift
3 functions that implement the left (<<), right (>>) and unsigned right (>>>) shift operators, commonly found in C-style languages.
2012-02-15 (first published: 2011-12-30)
8,119 reads
Blogs
Finding Balance: Things Will Come Up
By Steve Jones
I have a presentation on finding balance in your career that got quite a...
Who Are You Doing It For?
By Brian Kelley
But as I've matured over the years, I came to realize that I needed...
Presenting Twice in May 2026
By alevyinroc
I will be presenting my latest session, Documenting Your Work for Worry-Free Vacations, in-person...
Forums
degree of parallelism
Team, I'm trying to figure out what will be the best recommendation to configure...
A Fun Computer Quote
Comments posted to this topic are about the item A Fun Computer Quote
AI Database Central
Comments posted to this topic are about the item AI Database Central
Question of the Day
A Fun Computer Quote
Which movie featured this quote?
"All programs have a desire to be useful."Happy April Fools! See possible answers
