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Introduction to Database System

Introduction to Database System
In a relation, the columns are sometimes called "attributes".

True
False

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Introduction to Database System
The following are components of a database except ________ .

reports
user data
metadata
indexes

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Introduction to Database System
A key:

identifies a column.
must always be composed of two or more columns.
identifies a row.
can only be one column.

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Introduction to Database System
Long-range planning report produced in an MIS are primarily designed for

All of these
top management
middle management
lower management
None of these

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Introduction to Database System
In SQL, which command is used to select data in rows and column from one or more tables?

LIST
SELECT
None of these
BROWSE
CHOOSE

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Introduction to Database System
A relational database management (RDBM) package manages data in more than one file at once. How does it organize these file? As

tables
relations
None of these
both (a) and (b)
tuple

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