Subschema can be used to:

Options
- Create very different personalized view of the same data
- Persent information in different formats
- Hide sensitive information
- All of the above

CORRECT ANSWER : Hide sensitive information

Discussion Board
Explanation.

Answer : Hide sensitive information.

A subschema lets the user, have access to different areas of applications in which the user designed. The areas that are included in an application are set, types, record types, data items, and data aggregates.

Following are the reasons used by subschemas:

1 Subschemas provide different views of the data to the user and the programmer, who do not need to know all the data contained in the entire database.
2. Subschemas enhance security factors and prohibit data compromise.
3. Subschemas aid the DBA while assuring data integrity.

Jayesh Sonar 03-3-2015 01:13 AM

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