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Introduction to Database System

Introduction to Database System
Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape.

True
False

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Introduction to Database System
Which of the following is a database administrator's function?

performance monitoring
All of the listed here
backing up the database
database design

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Introduction to Database System
The DBMS ranked as being the "hardest to use" in the text is Microsoft's SQL Server.

False
True

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Introduction to Database System
Which type of entity represents an actual occurrence of an associated generalized entity?

Instance entity
Supertype entity
Archetype entity
Subtype entity

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Introduction to Database System
Database applications are seldom intended for use by a single user.

False
True

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Introduction to Database System
Because it contains a description of its own structure, a database is considered to be ________ .

described
metadata compatible
self-describing
an application program

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