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UUID Version 4 Bookmarks | William Callahan - Bookmarks

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A collection of bookmarks filtered by the tag "UUID Version 4".

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Avoid UUID Version 4 Primary Keys (for Postgres)

andyatkinson.com

Avoid UUID Version 4 Primary Keys (for Postgres)

Database Performance Index Fragmentation Time-Ordered UUIDs

Dec 15, 2025

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hakibenita.com

January 21, 2026

Unconventional PostgreSQL Optimizations

Unconventional PostgreSQL Optimizations

Creative ideas for speeding up queries in PostgreSQL

Hash Indexes PostgreSQL Optimizations Function Based Indexes Constraint Exclusion Query Performance

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alexsci.com

October 21, 2025

Why UUIDs won’t protect your secrets

Why UUIDs won’t protect your secrets

UUIDs and Indirect Object Reference

Unlisted Content Risks Amazon S3 Security UUID Security Access Controls IDOR Vulnerabilities

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planetscale.com

July 2, 2025

B-trees and database indexes — PlanetScale

B-trees and database indexes — PlanetScale

B-trees are used by many modern DBMSs. Learn how they work, how databases use them, and how your choice of primary key can affect index performance.

Data Structures B-Trees PlanetScale MySQL Database Indexes

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