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

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bTable

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cRecord

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dFlat File

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View Answer Database

Data encryption techniques are particularly useful for


areducing storage space requirements

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bimproving data integrity

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cprotecting data in data communication systems

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dAll of the above

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A data dictionary doesn't provide information about:


awhere data is located

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bthe size of the disk storage device

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cIt allows a many-to-many relationship

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dIt is conceptually simple

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


aelimination of the data redundancy

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bability to associate related data

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cincreased security

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dAll of the above are advantages

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


aDASD

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bFMS

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cEMMS

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dDBMS

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View Answer DBMS

Batch processing is appropriate if


aa large computer system is available

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bonly a small computer system is available

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conly a few transactions are involved

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dNone of the above

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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

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bto add a column/integrity constraint to a table

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cto redefine a column

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dto change a table's storage characteristics

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


aOracle

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bSQL

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cdBASE

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d4GL

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View Answer SQL

A form can be used to


amodify records

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bdelete records

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cformat printed output

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dAll of the above

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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

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bDatabase

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cRecord

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dStructured data file

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View Answer Structured data file

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