The entity relationship to data modeling (including network hierarchical and object-oriented), emphasis on the relational model. Use of existing database systems for the implementation of information ...

(2) In a relational database, a collection of rules for dealing with tables; for example, JOIN, UNION and INTERSECT. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires ...

The entity relationship to data modeling (including network hierarchical and object-oriented), emphasis on the relational model. Use of existing database systems for the implementation of information ...