Chapter 1, 2, and 3 exam questions and
answers.
Data - n
Ans✔
Known facts that can be recorded and that have implicit meaning
Qs
Database - n
Ans✔
A collection of related data
Qs
Universe of Discourse (UoD) - n
Ans✔
An aspect of the real world a database represents, also known as miniworld
Qs
Database Management System (DBMS) - n
Ans✔
A computerized system that enables users to create and maintain a database
Qs
Meta-Data - n
Ans✔
The database definition or descriptive information stored by the DBMS in the form
of a database catalog or dictionary
Qs
,Constructing - n
Ans✔
The process of storing the data on a storage medium that is controlled by the DBMS
Qs
Manipulation - n
Ans✔
Functions such as querying the database to retrieve specific data, updating the
database to reflect changes in the miniworld, and gathering reports from the data
Qs
Sharing - n
Ans✔
Allows multiple users and programs to access the database simultaneously
Qs
Application Program - n
Ans✔
Accesses the database by sending queries and requests for data to the DBMS
Qs
Protection - n
Ans✔
Includes system protection against hardware or software malfunction and security
protection against unauthorized or malicious access
Qs
Maintenance - n
Ans✔
A system's evolution as requirements change over time
, Qs
Database System - n
Ans✔
The database and DBMS software together
Qs
Transaction - n
Ans✔
Causes some data to be read and some data to be written into the database
Qs
Queries - n
Ans✔
The accessing of different parts of data and formulating the result of a request
Qs
Catalog - n
Ans✔
Stores the description of a particular database
Qs
Program-Data Independence - n
Ans✔
Allows changing data structures and storage organization without having to change
the DBMS access programs
Qs
Data Abstraction - n
Ans✔