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Introduction to Database System

Introduction to Database System
Which of the following products was the first to implement true relational algebra in a PC DBMS?

dBase-II
IDMS
R:base
Oracle

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Introduction to Database System
A database management system

can do more than a record management system
allows simultaneous access to multiple files
None of the listed here
Both of the listed here

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Introduction to Database System
In SQL, the _____ command is used to recompile a view

COMPILE VIEW
None of these
ALTER VIEW
CREATE VIEW
DEFINE VIEW

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Introduction to Database System
A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa.

One-to-many relationship
One-to-one relationship
Many-to-one relationship
Many-to-many relationship
None of these

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Introduction to Database System
Structured Query Language (SQL) is an internationally recognized standard language that is understood by all commercial database management system products.

False
True

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Introduction to Database System
The distinguishable parts of a record are called

files
None of these
fields
database
data

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