object database management group (ODMG)
Object Database Management Group (ODMG) is a consortium of manufacturers of object-oriented databases.
The ODMG defines modeling and query languages for databases and around a uniform model for object-oriented databases( OODB). Thus, among other things, the specifications for the object modeling language Object Definition Language( ODL) and the object-oriented query language for object-oriented data structures Object Query Language( OQL) as well as sparse bindings to C++ and Smalltalk originate from the ODMG.