In an Entity Relationship Diagram Rectangles represents

Related MCQs

• In an Entity-Relationship Diagram Rectangles represents
• An entity in A is associated with at most one entity in B, and an entity in B is associated with at most one entity in A.This is called as
• If an entity set is a lower-level entity set in more than one ISA relationship, then the entity set has
• In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) ________ entity.
• In an Entity-Relationship Diagram “Ellipses” represents
• In an Entity-Relationship Diagram “Diamonds” represents
• The Rectangles divided into two parts represents
• An entity in A is associated with at most one entity in B. An entity in B, however, can be associated with any number (zero or more) of entities in A.
• There are similarities between the instructor entity set and the secretary entity set in the sense that they have several attributes that are conceptually the same across the two entity sets: namely, the identifier, name, and salary attributes. This process is called
• The refinement from an initial entity set into successive levels of entity subgroupings represents a                  design process in which distinctions are made explicit.