Practice Database Questions Multiple Choice Questions with Answers Quiz-5

Q.1.

What are the notations used in Evaluation of Arithmetic Expressions using prefix and postfix forms?

Explanation

Q.2.

When mapping a supertype/subtype relationship which of the following is true?

Explanation

Q.3.

With this type of SQL Server cursor concurrency no lock is obtained until the user updates the data.

Explanation

Q.4.

Parenthesis is never required in Postfix or Prefix expressions

Explanation

Q.5.

The different classes of relations created by the technique for preventing modification anomalies are called:

Explanation

Q.6.

The load and index is which of the following?

A process to reject data from the data warehouse and to create the necessary indexes
A process to load the data in the data warehouse and to create the necessary indexes
A process to upgrade the quality of data after it is moved into a data warehouse
A process to upgrade the quality of data before it is moved into a data warehouse

Explanation