Database Management Extra 1

Question 1

three basic characteristics of Big Data databases : ???, ???, ???

Answer 1

Volume, Velocity, Variety

Question 2

Data Type that describes a set of similar objects w/shared and encapsulated data representation and method, typically used to describe complex objects.

Answer 2

Abstract Data Type (ADT)

Question 3

software through which programmers interact with middleware. An ??? allows use of generic SQL code, allowing client processes to be database server-independent.

Answer 3

API

Question 4

A characteristic of an entity of object, which has a name and data type.

Answer 4

Attribute

Question 5

A collection of similar objects with shared structure (attributes) and behavior (methods). A ??? encapsulates an object’s data representation and a method’s implementation. ??? are organized in a ??? hierarchy.

Answer 5

Class

Question 6

The set of symbols used in the creation of class diagrams in UML object modeling.

Answer 6

Class Diagram Notation

Question 7

Any process that requests specific services from server processes in a client/server environment.

Answer 7

Client

Question 8

One of three types of nodes used in the Hadoop Distributed File System (HDFS). The ??? node acts as the interface between the user application and the HDFS.

Answer 8

Client Node

Question 9

An object formed by several different objects in complex relationships.

Answer 9

Complex Object

Question 10

The output of the conceptual design process. The ??? ??? provides a global view of an entire database and describes the main data objects, avoiding details.

Answer 10

Conceptual Model