SQL vs NoSQL

Nikolay and Michael are joined by Franck Pachot to discuss SQL vs NoSQL — did Franck change teams by joining MongoDB, normalisation vs denormalisation, developer experience, NULLs, and more!

Here are some links to things they mentioned:
• Franck Pachot postgres.fm/people/franck-pachot
• Franck's workshop at PGConf India pgconf.in/conferences/pgconfin2025/program/pro…
• PostgreSQL Conference Germany 2025.pgconf.de
• "Schema Later" Considered Harmful by Michael Stonebraker and Álvaro Hernández enterprisedb.com/blog/schema-later-considered-…
• Comparison of JOINS by Michael Stonebraker and Álvaro Hernández enterprisedb.com/blog/comparison-joins-mongodb…
• Franck’s post about why he joined MongoDB linkedin.com/pulse/2025-im-joining-mongodb-fra…
• EdgeDB edgedb.com
• Nikolay’s tweet about a recent issue with NULLs x.com/samokhvalov/status/1889078097124999272
• PartiQL docs.aws.amazon.com/amazondynamodb/latest/deve…
• FerretDB ferretdb.com
• DocumentDB github.com/microsoft/documentdb

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What did you like or not like? What should we discuss next time? Let us know via a YouTube comment, on social media, (postgres.fm/people) or by commenting on our Google doc (docs.google.com/document/d/1PNGSn_d0A7gTR4C0p6…)!

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Postgres FM is produced by:
• Michael Christofides, founder of pgMustard (pgmustard.com)
• Nikolay Samokhvalov, founder of Postgres.ai (postgres.ai)

With special thanks to:
• Jessie Draws for the elephant artwork