Mock Exam Flashcards
Definitions
What is Data
facts,txt,graphics,images
What is a database application
application programs
like programs that create,read delete,update
like a dbms
or end user application
What is a constraint
a rule that cannot be violated by
database users
what is a repository
centralized storehouse for all data definitions
Metadata
includes data definitions and constraints
Data that describes properties and context of user data
What is a data Warehouse
integrated decision support database derived from multiple databases
information
data placed in context or summarized
user view
logical description of portion of database
database management system
a software application that is used to create, maintain, and provide controlled access to user databases
data independence
sepration of data description from programs
database
organized collection of related data
enterprise resource planning
a business management systems that integrates all functions of the enterprise
systems development life cycle
a structrured step-by-step approach to systems development
prototyping
rapid approach to systems development
enterprise data model
a graphical model that shows the
high-level entities for the organization
and the relationships among those
entities
