Database Soup - Explaining ACID, BASE, CAP - Part 1
Update: 2020-02-12
Description
In this episode, we cover the following topics:
- In this new series, we are discussing database consistency models explained in three acts. This episode is "Act I: Transaction processing (circa 1973)".
- We start with the motivation behind talking about database soup - why are ACID, CAP, and BASE important to understand?
- We define transaction processing and its origins. What exactly is a "transaction"?
- Transactions are governed by ACID semantics. We define and explain the four characteristics of the ACID acronym::
- Atomicity
- Consistency
- Isolation
- Durability
- The computer scientist, Jim Gray, came up with the idea of ACID semantics in the late 1970's. We discuss some of the history behind this, along with a bizarre and tragic ending to his story.
- We also share a personal story about another important player in transaction processing, Phil Bernstein.
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