UNIT1 and Unit2 MCQ-DBMS

_____________means that the data is accurate and consistent in the database.

What is DBMS stands for

• Database Manager Service

• Database Management System

• Database Manipulation Service

• Data Business Management Service

A view of database that appears to an application program is known as

• schema

• subschema

• virtual table

• none of the above

In an E-R diagram attributes are represented by

• square

• ellipse

• rectangle

• triangle

Which forms have a relation that contains information about a single entity?

• 4NF

• 2NF

• 5NF

• 3NF

______ resembles Create view.

• Create table . . . as

• Create view as

• Create table . . .like

• With data

_____________ reduces application development and maintenance time.

_____________ ensures that the result or effect of a committed transaction persists in case of a system failure.

________________link data from individual tables to increase the usefulness of the database.

_____________ ensures that all operations within the work unit are completed successfully