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There are various historical lenses we can apply to the NoSQL movement, from branding (No SQL or Not Only SQL), to goals (scalability vs write availability? vs open source), to operations (should developers or DBAs own the schema? Do should DBAs still exist?), but there was clearly a movement! with at least some set of common goals. In this blog post I'm going to single-mindedly focus on one aspect of NoSQL: scalability. We'll look at some of the things the NoSQL movement threw out, and ask ourselves whether those things actually helped achieve better scalability. On the way, we'll start exploring the laws of scalability physics, and what really matters. So what did NoSQL throw out? Again, that varies from database to database, but it was approximately these things: * Explicit schema * Transactions * Strong consistency * Joins, secondary indexes, unique keys, etc. * The SQL language itself * Data models (graph, etc)

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There are various historical lenses we can apply to the NoSQL movement, from branding (No SQL or Not Only SQL), to goals (scalability vs write availability? vs open source), to operations (should developers or DBAs own the schema? Do should DBAs still exist?), but there was clearly a movement! with at least some set of common goals. In this blog post I'm going to single-mindedly focus on one aspect of NoSQL: scalability. We'll look at some of the things the NoSQL movement threw out, and ask ourselves whether those things actually helped achieve better scalability. On the way, we'll start exploring the laws of scalability physics, and what really matters. So what did NoSQL throw out? Again, that varies from database to database, but it was approximately these things: * Explicit schema * Transactions * Strong consistency * Joins, secondary indexes, unique keys, etc. * The SQL language itself * Data models (graph, etc)
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Tim Bray (timbray@hachyderm.io)'s status on Tuesday, 31-Jan-2023 05:05:55 JST Tim Bray

From @marcbrooker: NoSQL: The Baby and the Bathwater - https://brooker.co.za/blog/2023/01/30/nosql.html
Off the top, I disagree with Marc on a couple of his high-level points (SQL!), but nothing here is going to be boring for people who care about databases.

In conversation Tuesday, 31-Jan-2023 05:05:55 JST from hachyderm.io permalink