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15 Cards in this Set

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what is a database?
self-describing collection of integrated
records.
What is a record?
a representation of a physical or conceptual object
What is metadata?
Data which describes the structure of the database.
Why is a database self-describing?
It contains a description of its own structure
Why is a database integrated?
A database is integrated because it contains data as well as the relationships amond data items.
What is a personal database?
a database designed for use by a single person or computer
What is a departmental or workgroup database>?
A database that can handle multiple users trying to access the same data at the same time.
What is an enterprise database?
These are extremely large databases.
What does DBMS stand for?
Database Management System
What is a DBMS?
A set of programs used to define, administer, and process databases.
The DBMS _ the physical
details of the database storage so that the application only has to concern
itself with the _ _ of the data, not how the data is stored.
The DBMS masks the physical
details of the database storage so that the application only has to concern
itself with the logical characteristics of the data, not how the data is stored.
What is a flat file
a collection of data in a specified format which contains minimal metadata
The advantage of a flat file system is that it is very _
fast
What is the disadvantage of a flat file system?
The application is responsible for knowing how and where the data is stored. it is impractical for large systems.
A DBMS BLANK the need to include data manipulation code.
eliminate