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+1 on Johannes SQL was designed for tables and does this job indisputably well. However, even adding dots, lateral joins, and variants, it was not made for nested, heterogeneous da…

Congratulations, Johannes!

Thank you for your question. This is, in fact, not an assignment, but a variable binding that is highly optimizable by an execution engine. The let clause is part of the FLWOR expr…

There is also a docker version that should ease the process: https://hub.docker.com/r/rumbledb/rumble

Thank you for your comment. There exist indeed recent extensions of SQL that add support for denormalized data (arrays, objects), for example in Spark SQL and PostgreSQL, however S…

Thank you for your comment. The motivation for JSONiq and RumbleDB is discussed in this recent paper, the core argument is data independence: https://arxiv.org/abs/1910.11582v3 JSO…

Thank you for your feedback. The tutorial was moved over to an interactive notebook that you can find here: https://colab.research.google.com/github/RumbleDB/rumble/blo... The easi…