More than Query - Future Directions of Query Languages, from SQL to Morel

Julian Hyde talks to Julien Le Dem about the difference between query languages and programming languages, what's wrong with SQL, and how a new language called Morel can make things better. This conversation, which took place on April 30th, 2025, is based on a presentation that Julian Hyde gave at Data Council in Oakland on April 23rd, 2025. Julian Hyde (@JulianHyde, https://x.com/julianhyde) is the author of Morel and Apache Calcite, and previously worked for Looker and Google. Julien Le Dem (@JulienLeDem, https://x.com/J_) is the author of Apache Parquet and works for DataDog. The slides are available for download: https://raw.githubusercontent.com/julianhyde/share/main/slides/morel-more-than-query-2025.pdf Morel source code is at https://github.com/hydromatic/morel.