Episode 2

2. Databases Decoded: A Journey from Clay Tablets to Graph Paradigms (part 2)

Published on: 12th March, 2024

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Embark on a time-traveling adventure with me, your host Benny Kitchell, as we chart the monumental shifts in database technology. From ancient civilizations etching their records into clay to the sophisticated graph databases of the present, this episode uncovers the pivotal moments that have shaped how we manage data. We'll delve into Edgar F. Codd's relational model revolution, understand the origins of the Hierarchical Model System, and discuss the impact of MongoDB's entrance into the field, all while drawing fascinating parallels to the systems we rely on today. As Oracle continues to represent the resiliency of relational databases, I'll also share a personal nod to Postgres for its robustness in the relational scene.

Prepare to look under the hood of database management as we unravel the intricacies of locking mechanisms and their critical role in maintaining data integrity. I'll guide you through the maze of optimistic and pessimistic locking techniques, clarifying their distinct applications and benefits. We'll also confront the concept of durability and the essential practice of write-ahead logging, ensuring our data withstands the unexpected. The rise of NoSQL and document databases throws a welcome curveball into our discussion, challenging the traditional database dominance with their specialized use cases.

Choosing the correct database type can be as complex as the data itself, but we simplify the decision-making process by breaking down the merits of document databases, especially when faced with rapidly evolving data structures. Your datas layout offers clues on whether to harness the power of relational, non-relational, or graph databases, and we'll explore when and why you might choose one over the others. To wrap up, it's a shout out to our listeners, whose insights and feedback shape our podcast's direction. If system design is the symphony, then your voices are the harmonies that enrich our collective journey into the world of database technology.

Show Notes:
A very special shout out to Sumaiya Asif!
Edgar F. Codd's paper

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About the Podcast

Learn System Design
A bi-weekly podcast hosted by a senior engineer named Ben Kitchell that takes a deep dive into learning about technical system design by learning together. Each episode we will explore the inner workings of what makes these systems so complex and fascinating while building on our knowledge of how they came together.

All music written and performed by the mysterious Aimless Orbiter. You can find more info about him and his music at https://soundcloud.com/aimlessorbitermusic

About your host

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Benny Kitchell

A developer with over a decade's worth of experience who has a passion to helping others grow. Benny has held positions ranging from staff engineer to interim engineering manager. He found he has a knack for explaining complicated subjects in an easily digestible format.