[All of the above] Subschema can be used to

For Competitive Exams

Subschema can be used to

create very different, personalized views of the same data

present information in different formats

hide sensitive information by omitting fields from the subschema’s description

All of the above

Additional Questions

In order to use a DBMS, it is important to understand	Answer
Large computer information system maintains many different computer files. Which amongst them is called a perpetual file?	Answer
The Management Information system (MIS) structure with one main computer system is called a	Answer
Which is the simplest file structure?	Answer
If a calculation is embedded in a form	Answer
Information can be transferred between the DBMS and a	Answer
In SQL, which of the following is not a data definition language commands?	Answer
Lockbox service is used for	Answer
RS-449/442-A/423-A is	Answer
a modem that is attached to the telephone system by jamming the phone,s handset into two flexible receptacles in the coupler?	Answer

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