Question

In order to use a dbms it is important to understand

Answer 1

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Which of the following is not a primary function of a Bank?

A. Granting Loans

B. Collecting Cheques/Drafts customers

C. Facilitating import of goods

D. Issuing Bank Drafts

Answer: Option C

Answer 2

Answer:

In order to use a dbms it is important to understand: One Subschema

Explanation:

• A subschema is a view of the database as seen by an application programme. This view is frequently a subset of the full schema definition.
• A subschema is used at runtime to provide the DBMS with a description of the database portions that are accessible to the application programme.
• It provides the user with a window through which he or she can view only the portion of the database that he or she desires.
• For example, in a database, the programmer can access all fields of the Student table, but the user can only access two or three of them.

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