DBMS_Entity-Relationship Data Model
Dbms question (3)
Fostering worldwide interoperabilityGeneva, 13-16 July 2009 Machine to Machine Communications (M2M) Anil Kripalani, TIA Global Standards Collaboration.
er model
2. Entity-Relationship Model
©Silberschatz, Korth and Sudarshan2.1Database System Concepts Weak Entity Sets An entity set that does not have a primary key is referred to as a weak.
Weak Entity Sets
Aandachtspunten
Chapter 2: Entity-Relationship Model