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13120

Joins 13 Ways

Relational (inner) joins are really common in the world of databases, and one weird thing about them is that it seems like everyone has a different idea of what they are. In this post I’ve aggregated a bunch of different definitions, ways of thinking about them, and ways of implementing them that will hopefully be…

13134

What Do We Owe Our Teams?

Many of my discussions with product leaders (CPOs, VPs and others who manage teams of product folks) are about the substance of product management: portfolios, competing stakeholders, pricing & packaging, tarot cards as a revenue forecasting model. Last week, though, in my product leadership workshop, we had an…

13137

My Meeting with David Bohm

June 29, 2023. Some scientists seek to clarify reality, others to mystify it. Physicist David Bohm seemed driven by both impulses. He is renowned for promoting a sensible (according to experts like Einstein, John Bell and philosopher Tim Maudlin) interpretation of quantum mechanics. But Bohm also a