Fundamentals of Database Systems:
Chapter 1, 2, and 3 Questions and
Answers | Professor Verified Answers
| Graded A+
Data - CORRECT ANSWERS Known facts that can be recorded and that have implicit
meaning
Database - CORRECT ANSWERS A collection of related data
Universe of Discourse (UoD) - CORRECT ANSWERS An aspect of the real world a database
represents, also known as miniworld
Database Management System (DBMS) - CORRECT ANSWERS A computerized system
that enables users to create and maintain a database
Meta-Data - CORRECT ANSWERS The database definition or descriptive information
stored by the DBMS in the form of a database catalog or dictionary
Constructing - CORRECT ANSWERS The process of storing the data on a storage medium
that is controlled by the DBMS
Manipulation - CORRECT ANSWERS 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
Sharing - CORRECT ANSWERS Allows multiple users and programs to access the database
simultaneously
, Application Program - CORRECT ANSWERS Accesses the database by sending queries and
requests for data to the DBMS
Protection - CORRECT ANSWERS Includes system protection against hardware or
software malfunction and security protection against unauthorized or malicious access
Maintenance - CORRECT ANSWERS A system's evolution as requirements change over
time
Database System - CORRECT ANSWERS The database and DBMS software together
Transaction - CORRECT ANSWERS Causes some data to be read and some data to be
written into the database
Queries - CORRECT ANSWERS The accessing of different parts of data and formulating
the result of a request
Catalog - CORRECT ANSWERS Stores the description of a particular database
Program-Data Independence - CORRECT ANSWERS Allows changing data structures and
storage organization without having to change the DBMS access programs
Data Abstraction - CORRECT ANSWERS Used to hide storage details and present the
users with a conceptual view of the database
Concurrency Control - CORRECT ANSWERS Guarantees that each transaction is correctly
executed or aborted
Chapter 1, 2, and 3 Questions and
Answers | Professor Verified Answers
| Graded A+
Data - CORRECT ANSWERS Known facts that can be recorded and that have implicit
meaning
Database - CORRECT ANSWERS A collection of related data
Universe of Discourse (UoD) - CORRECT ANSWERS An aspect of the real world a database
represents, also known as miniworld
Database Management System (DBMS) - CORRECT ANSWERS A computerized system
that enables users to create and maintain a database
Meta-Data - CORRECT ANSWERS The database definition or descriptive information
stored by the DBMS in the form of a database catalog or dictionary
Constructing - CORRECT ANSWERS The process of storing the data on a storage medium
that is controlled by the DBMS
Manipulation - CORRECT ANSWERS 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
Sharing - CORRECT ANSWERS Allows multiple users and programs to access the database
simultaneously
, Application Program - CORRECT ANSWERS Accesses the database by sending queries and
requests for data to the DBMS
Protection - CORRECT ANSWERS Includes system protection against hardware or
software malfunction and security protection against unauthorized or malicious access
Maintenance - CORRECT ANSWERS A system's evolution as requirements change over
time
Database System - CORRECT ANSWERS The database and DBMS software together
Transaction - CORRECT ANSWERS Causes some data to be read and some data to be
written into the database
Queries - CORRECT ANSWERS The accessing of different parts of data and formulating
the result of a request
Catalog - CORRECT ANSWERS Stores the description of a particular database
Program-Data Independence - CORRECT ANSWERS Allows changing data structures and
storage organization without having to change the DBMS access programs
Data Abstraction - CORRECT ANSWERS Used to hide storage details and present the
users with a conceptual view of the database
Concurrency Control - CORRECT ANSWERS Guarantees that each transaction is correctly
executed or aborted
