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MCQ

Which of the following products implemented the CODASYL DBTG model?

IDMS

DB2

dBase-II

R:base

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each user can "see" only a small part of the entire database

each user can access every sub

each subschema contains every field in the logical schema

All of the above

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A race condition occurs when

Two concurrent activities interact to cause a processing error

two users of the DBMS are interacting with different files at the same time

both (a) and (b)

All of the above

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If you want your database to include methods, you should use a _____ database.

Network

Distributed

Hierarchical

Object-Oriented

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Long-range planning report produced in an MIS are primarily designed for

top management

middle management

lower management

All of the above

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In SQL, which command is used to changes data in a table?

UPDATE

INSERT

BROWSE

APPEND

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

Database Administration

Mixed

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