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Introduction to Database System

Introduction to Database System
Keys made up of two or more attributes are called composite keys.

False
True

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Introduction to Database System
The relational model uses some unfamiliar terminology. A tuple is equivalent to a

field
data base
record
data item

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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.

True
False

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Introduction to Database System
Sort/report generators

do not need to sort before generating a report
are faster than index/report generators
require more disk space than index/report generators
none of the listed here

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Introduction to Database System
A compound key

is a combination of each unique key
None of these
uniquely identifies an item in a list
is made up a several pieces of information
both (a) and (b)

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Introduction to Database System
Which of the following is a type of DBMS software?

utilities
database manipulation language
All of these
query language
report writer

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