NoSQL is very much like the databases that were around in the 1960s ("navigational" databases, nested sets of key-value pairs). E. F. Codd proposed a database o

NoSQL is very much like the databases that were around in the 1960s ("navigational" databases, nested sets of key-value pairs). E. F. Codd proposed a database of tables (which he, a mathematician, called "relations") to solve a number of problems that these primitive databases were having, one of which was speed.