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
18,636 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)
5,394 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
7,509 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
T-SQL Tuesday #196 – Two risky career decisions I made
By DataOnWheels
The T-SQL Tuesday topic this month comes James Serra. What career risks have you...
T-SQL Tuesday #192: What career risks have you taken?
This T-SQL Tuesday is hosted by the one and only James Serra – literally...
T-SQL Tuesday #196: Taking Risks
By Steve Jones
This month we have a new host, James Serra. I’ve been trying to find...
Forums
OPENQUERY Flexibility
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A Full Shutdown
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Going Native with Fabric Spark Pools: The Fabric Modern Data Platform
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Question of the Day
OPENQUERY Flexibility
Which of these are valid OPENQUERY() uses?
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