SQL history Before there was SQL, databases had tight, navigational programming interfaces, and typically were designed around a network schema called the CODASYL data model.

It is certainly NOT a 'real' database, and has its limitations (max field length, can be a little buggy, etc), however I find it EXCELLENT for teaching basic database CONCEPTS to primary age ...

An education technology conference this week in Austin, Texas, will clang with bells and whistles as startups eagerly show off their latest wares.