2024-11-25
177 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
18,576 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)
5,389 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
7,499 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)
8,117 reads
Blogs
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Forums
What is Page Density
Comments posted to this topic are about the item What is Page Density
T-SQL in SQL Server 2025: Fuzzy String Search II
Comments posted to this topic are about the item T-SQL in SQL Server 2025:...
Azure-SSIS, Self-Hosted Integration Runtime, & Data Gateway?
Looking to confirm my understanding of these three products and how they can be...
Question of the Day
What is Page Density
In SQL Server, there is a concept of page density. This is determined by how much data is stored on each page. What is a page density of 90%?
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