When you use a SQL database like Postgres, you have to understand the subtleties of isolation levels from "read committed" to "serializable." And distributed databases like MongoDB offer a range of consistency levels, from "eventually consistent" to "linearizable" and many options in between. Plus, it's easy enough to confuse "isolation" with "consistency!" We have A. Jesse Jiryu Davis from MongoDB back on the podcast to break it all down for us. 
 
Links from the show 
 
<div>Jesse on Twitter: <a href="https://twitter.com/jessejiryudavis" target="_blank" rel="noopener">@jessejiryudavis</a> 
Jesse on Mastodon: <a href="https://mas.to/@jessejiryudavis" target="_blank" rel="noopener">@jessejiryudavis@mas.to</a> 
 
Files related to PyCon Talk: <a href="https://github.com/ajdavis/consistency-isolation-pycon-2023" target="_blank" rel="noopener">github.com</a> 
Consistency and Isolation for Python Programmers blog post: <a href="https://emptysqua.re/blog/pycon-2023-consistency-isolation/" target="_blank" rel="noopener">emptysqua.re</a> 
Consistency Models and Visuals: <a href="https://jepsen.io/consistency" target="_blank" rel="noopener">jepsen.io</a> 
MongoDB Replication: <a href="https://www.mongodb.com/docs/manual/replication/" target="_blank" rel="noopener">mongodb.com</a> 
MongoDB Transactions: <a href="https://www.mongodb.com/docs/manual/core/transactions/" target="_blank" rel="noopener">mongodb.com</a> 
Jesse's PyCon Talk: <a href="https://www.youtube.com/watch?v=Y7WMav9fmUo&list=PL2Uw4_HvXqvY2zhJ9AMUa_Z6dtMGF3gtb&index=83" target="_blank" rel="noopener">youtube.com</a> 
Database Types: <a href="https://www.mongodb.com/databases/types" target="_blank" rel="noopener">mongodb.com</a> 
MongoDB Labs: <a href="https://github.com/mongodb-labs" target="_blank" rel="noopener">github.com</a> 
Watch this episode on YouTube: <a href="https://www.youtube.com/watch?v=FEcaG4_LY8E" target="_blank" rel="noopener">youtube.com</a> 
 
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