> Meanwhile, a lot of RDBMSs do store data where every fact in every field of every row is critical. Excellent point, however how many applications are truly c

> Meanwhile, a lot of RDBMSs do store data where every fact in every field of every row is critical. Excellent point, however how many applications are truly critical? I didn´t say DMBS (R or otherwise) are useless - I would probably reach for one before a graph database. However I´m debating that we should all use relational algebra instead of SQL. It probably doesn´t really matter for most cases.