https://sparsenotes.com/tags/cmu/ Recent content in cmu on Sparse Notes https://sparsenotes.com/images/og-default.png https://sparsenotes.com/images/og-default.png Hugo -- gohugo.io Sat, 22 Aug 2026 00:00:00 +0000 https://sparsenotes.com/posts/2026/08/history-of-database-systems-pavlo-lecture/ Sat, 22 Aug 2026 00:00:00 +0000 https://sparsenotes.com/posts/2026/08/history-of-database-systems-pavlo-lecture/ Andy Pavlo's opening lecture traces database systems from the 1960s hierarchical model through CODASYL, Codd's relational model, object databases, and NoSQL — arguing that almost none of today's debates are new.