DATABASE SYSTEMS DESIGN IMPLEMENTATION AND MANAGEMENT CERTIFICATION EVALUATION EXAMS SET FULL QUESTIONS AND COMPLETE SOLUTION

DATABASE SYSTEMS DESIGN
IMPLEMENTATION AND MANAGEMENT
CERTIFICATION EVALUATION EXAMS SET
FULL QUESTIONS AND COMPLETE
SOLUTION

●● American National Standards Institute(ANSI)
Answer: A group that accepted the DBTG recommendations and
augmented database standards in 1975 through its SPARC committee.


●● Attribute
Answer: A characteristic of an entity or object. An attribute has a name
and data type.


●● Big Data
Answer: A movement to find new and better ways to manage large
amounts of web-generated data and derive business insight from it,
while simultaneously providing high performance and scalability at a
reasonable cost.


●● Business Rule
Answer: A description of a policy, procedure, or principle within an
organization. For example, a pilot cannot be on duty for more than 10

, hours during a 24-hour period, or a professor may teach up to four
classes during a semester.


●● Chen Notation
Answer: See entity relation (ER) model.


●● Class
Answer: A collection of similar objects with shared structure (attributes)
and behavior (methods). A class encapsulates an object's data
representation and a method's implementation. Classes are organized in
a class hierarchy.


●● Class Diagram
Answer: A diagram used to represent data and their relationship in UML
object notation.


●● Class Diagram Notation
Answer: The set of symbols used in the creation of class diagrams in
UML object modeling.


●● Class Hierarchy
Answer: The organization of classes in a hierarchical tree in which each
parent class is a superclass and each child class is a subclass. See also,
inheritance.