cis 351 ch. 1 quiz
logically
A database is an organized collection of ________ related data.
repository
A knowledge base of information or facts about an enterprise is called a(n):
1970s
E. F. Codd developed the relational model in the:
application programs
In a file processing environment, descriptions for data and the logic for accessing the data are built into:
80 percent
Organizations that utilize the file processing approach spend as much as ________ of their IS development budget on maintenance.
file descriptions being stored in each database application.
Program-data dependence is caused by:
analysis
The SDLC phase in which the detailed conceptual data model is created is the ________ phase.
internal
The three-schema approach includes which of the following schemas?
improved responsiveness
Which of the following is NOT a cost and/or risk of the database approach?
relationships
________ are established between entities in a well-structured database so that the desired information can be retrieved.