what u mean by Mapping cardinalities, participation constraints, attribute inheritance.
(1) Mapping Cardinalities:- Mapping cardinalities can be defined as the number of entities to which another entity is associated via relationship set. Binary relationship...
Discuss the different types of user-friendly interfaces in DBMS
Discuss the different types of user-friendly interfaces.Ans. User-friendly interfaces provided by a DBMS may include the following-(i) Menu-based Interfaces for Browsing -These interfaces...
What do you mean by entity types and entity sets?
What do you mean by entity types and entity sets?Ans.An entity type defines a collection (or set) of entities that have the same...
