Database Management Systems Mcqs

Page No. 88

It is more accurate to define a _____ as a variety of different record types that are treated as a single unit


aDatabase


bTable


cRecord


dFlat File


View Answer Database

Data encryption techniques are particularly useful for


areducing storage space requirements


bimproving data integrity


cprotecting data in data communication systems


dAll of the above



A data dictionary doesn't provide information about:


awhere data is located


bthe size of the disk storage device


cIt allows a many-to-many relationship


dIt is conceptually simple



Which of the following is not an advantage of the data-base approach?


aelimination of the data redundancy


bability to associate related data


cincreased security


dAll of the above are advantages



What is the abbreviation used for a software package that permits the users to create, retrieve and maintain records in a database?


aDASD


bFMS


cEMMS


dDBMS


View Answer DBMS

Batch processing is appropriate if


aa large computer system is available


bonly a small computer system is available


conly a few transactions are involved


dNone of the above


View Answer None of the above

In SQL, the CREATE TABLE is used


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


bto add a column/integrity constraint to a table


cto redefine a column


dto change a table's storage characteristics



Which language has recently become the de-facto standard for interfacing application programs with relational database system?


aOracle


bSQL


cdBASE


d4GL


View Answer SQL

A form can be used to


amodify records


bdelete records


cformat printed output


dAll of the above


View Answer All of the above

A file that is organized in uniform format is formally referred to as a _____ or a database file.


aDocument


bDatabase


cRecord


dStructured data file


View Answer Structured data file

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