https://nachooglpz.pages.dev/tags/database/Recent content on Nacho's BlogHugoen-AUThu, 01 Oct 2026 00:00:00 +0000https://nachooglpz.pages.dev/archives/010-access-path-selection-in-a-relational-database-management-system/Thu, 01 Oct 2026 00:00:00 +0000https://nachooglpz.pages.dev/archives/010-access-path-selection-in-a-relational-database-management-system/Selinger (et al.) paper on the cost-based optimizer.https://nachooglpz.pages.dev/blog/005-how-databases-did-ai-before-it-was-cool/Thu, 01 Oct 2026 00:00:00 +0000https://nachooglpz.pages.dev/blog/005-how-databases-did-ai-before-it-was-cool/Databases are an example of program synthesis, while a query optimizer might use heuristic search.https://nachooglpz.pages.dev/archives/009-relational-completness-of-data-base-sublanguages/Thu, 01 Oct 2026 00:00:00 +0000https://nachooglpz.pages.dev/archives/009-relational-completness-of-data-base-sublanguages/Ted Codd’s paper which established the equivalence in expressive power between relational calculus and relational algebra.https://nachooglpz.pages.dev/archives/006-lecture-what-goes-around-comes-around-and-around/Wed, 16 Sep 2026 00:00:00 +0000https://nachooglpz.pages.dev/archives/006-lecture-what-goes-around-comes-around-and-around/Andy Pavlo’s lecture on his paper “What Goes Around Comes Around… And Around…”.https://nachooglpz.pages.dev/archives/003-mapreduce-a-major-step-backwards/Wed, 16 Sep 2026 00:00:00 +0000https://nachooglpz.pages.dev/archives/003-mapreduce-a-major-step-backwards/David J. DeWitt and Michael Stonebraker’s views on MapReduce.https://nachooglpz.pages.dev/archives/004-what-goes-around-comes-around/Wed, 16 Sep 2026 00:00:00 +0000https://nachooglpz.pages.dev/archives/004-what-goes-around-comes-around/Sonebraker and Hellerstein’s summary of 35 years of data models.https://nachooglpz.pages.dev/archives/005-what-goes-around-comes-around-and-around/Wed, 16 Sep 2026 00:00:00 +0000https://nachooglpz.pages.dev/archives/005-what-goes-around-comes-around-and-around/Stonebraker and Pavlo’s analysis of 20 years of data models.https://nachooglpz.pages.dev/blog/003-what-happened-to-map-reduce/Wed, 16 Sep 2026 00:00:00 +0000https://nachooglpz.pages.dev/blog/003-what-happened-to-map-reduce/David J. DeWitt and Michael Stonebraker argued that MapReduce was a step backwards for the database community.https://nachooglpz.pages.dev/blog/001-how-databases-write-to-disk/Tue, 25 Aug 2026 00:00:00 +0000https://nachooglpz.pages.dev/blog/001-how-databases-write-to-disk/A successful write by a database does not necessarily mean durability on disk.