Which of the following is not the function of client?

The overall design of a database is called?

• [A] Scheme of the database
• [B] The screen of database
• [C] Structure of the database
• [D] View of the database

. If an attribute of a composite key is dependent on an attribute of the other composite key, a normalization called ................ is needed.

• [A] DKNF
• [B] BCNF
• [C] third
• [D] fourth

Which of the following applies to a class rather than an object?

• [A] Query
• [B] Scope
• [C] Update
• [D] Constructor

Which is not true of a correlated subquery?

• [A] EXISTS/NOT EXISTS is a form of a correlated subquery.
• [B] The processing of the SELECT statements is nested.
• [C] They can be used to verify functional dependencies.
• [D] They are very similar to a regular subquery.

A constructor operation does which of the following?

• [A] Creates a new instance of a class
• [B] Updates an existing instance of a class
• [C] Deletes and existing instance of a class
• [D] All of the above.