MODERN DATABASE MANAGEMENT
COMPREHENSIVE TEST PAPER QUESTIONS
AND ANSWERS VERIFIED GRADED A+
●● data
Answer: a stored representation of objects and events that have meaning
and importance in the user's environment
●● information
Answer: data that have been processed in such a way that the knowledge
of the person who uses the data is increased
●● metadata
Answer: data that describe the properties or characteristics of end-user
data and the context of that data
●● database application
Answer: an application program that is used to perform a series of
database activities (create, read, update, and delete) on behalf of
database users
●● data models
, Answer: capture the nature of and relationships among data and are used
at different levels of abstraction as a database is conceptualized and
designed. Made up of entities, attributes, and relationships
●● entity
Answer: a noun that describes a person, place, an object, or a concept in
the business environment for which information must be recorded and
retained
●● relational database
Answer: establishes the relationships between entities by means of
common fields included in a file, called a relation
●● database management system (DBMS)
Answer: a software system that enables the use of a database approach.
Primary purpose is to provide a systematic method of creating, updating,
storing, and retrieving the data stored in a database
●● advantages of the database approach
Answer: Program-data independence, planned data redundancy,
improved data consistency, improved data sharing, increased
productivity of application development, enforcement of standards,
improved data quality, improved data accessibility and responsiveness,
reduced program maintenance, and improved decision support.
COMPREHENSIVE TEST PAPER QUESTIONS
AND ANSWERS VERIFIED GRADED A+
●● data
Answer: a stored representation of objects and events that have meaning
and importance in the user's environment
●● information
Answer: data that have been processed in such a way that the knowledge
of the person who uses the data is increased
●● metadata
Answer: data that describe the properties or characteristics of end-user
data and the context of that data
●● database application
Answer: an application program that is used to perform a series of
database activities (create, read, update, and delete) on behalf of
database users
●● data models
, Answer: capture the nature of and relationships among data and are used
at different levels of abstraction as a database is conceptualized and
designed. Made up of entities, attributes, and relationships
●● entity
Answer: a noun that describes a person, place, an object, or a concept in
the business environment for which information must be recorded and
retained
●● relational database
Answer: establishes the relationships between entities by means of
common fields included in a file, called a relation
●● database management system (DBMS)
Answer: a software system that enables the use of a database approach.
Primary purpose is to provide a systematic method of creating, updating,
storing, and retrieving the data stored in a database
●● advantages of the database approach
Answer: Program-data independence, planned data redundancy,
improved data consistency, improved data sharing, increased
productivity of application development, enforcement of standards,
improved data quality, improved data accessibility and responsiveness,
reduced program maintenance, and improved decision support.
