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MCQ

An application where only one user accesses the database at a given time is an example of a(n) ________ .

single-user database application

multiuser database application

e-commerce database application

data mining database application

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In SQL, the CREATE TABLE is used

to create a table, defining its columns, integrity constrains, and storage allocation

to add a column/integrity constraint to a table

to redefine a column

to change a table's storage characteristics

All of the above

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Related fields in a data base are grouped to form

data file

data record

bank

None of the above

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In SQL, which command(s) is(are) used to create a synonym for a schema object?

CREATE SCHEMA

CREATE SYNONYM

CREATE SAME

All of the above

None of the above

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Which command is used to select distinct subject (SUB) from the table (BOOK)?

SELECT ALL FROM BOOK

SELECT DISTINCT SUB FROM BOOK

SELECT SUB FROM BOOK

All of the above

None of the above

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Two files may be joined into a third file if

they have a row in common

they have a field in common

they have no records with the same value in the common field

both (b) and (c)

None of the above

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Banking

Engineering

General

Medical

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category More Database Management System Topics

Miscellaneous or General

Relational Algebra

Database Systems

Data Models

The Relational Database Model

Entity Relationship (ER) Modeling

Advanced Data Modeling

Normalization

Structured Query Language (SQL)

Advanced SQL

Database Design

Transaction and Concurrency

Data Warehouses

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