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#sql

December 20, 2023

TSIDs strike the perfect balance between integers and UUIDs for most databases

By Christian Charukiewicz
A look at why TSIDs are the best of both worlds when it comes to database keys.
July 25, 2022

Offloading work to the SQL database

Essential elements of high performance applications
By Christian Charukiewicz, Ben Levy
Offloading work from the application server to the database through the effective use of advanced SQL features can greatly improve application performance.
May 24, 2022

SQL indexes

Essential elements of high performance applications
By Christian Charukiewicz
Effectively using SQL indexes is a huge boon to performance of a web application.
March 19, 2021

Speeding up SQL queries by orders of magnitude using UNION

By Ben Levy, Christian Charukiewicz
SQL's UNION operation isn't usually regarded as a way to optimize query performance, but in many cases it can be used to achieve massive improvements in speed.
November 23, 2020

Reducing the pain of grouping SQL query results using Haskell

By Ben Levy, Christian Charukiewicz
Semigroups allow us to transform the denormalized results of our SQL queries into a structure that models parent-child relationships by focusing on the types we want to achieve rather than by writing tedious merge operations.