Q.1

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

  • Polish
  • Reverse Polish
  • Both A and B
  • None of the above
Q.2

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

  • The supertype primary key is assigned to each subtype.
  • The subtype primary key is assigned to each supertype.
  • There is no link between the supertype/subtype entities.
  • There is no primary key/foreign key relationship between a supertype/subtype.
Q.3

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

  • READ_ONLY
  • SCROLL_LOCK
  • OPTIMISTIC
  • PESSIMISTIC
Q.4

Parenthesis is never required in Postfix or Prefix expressions

  • TRUE
  • FALSE
Q.5

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

  • normal forms.
  • functional dependencies.
  • referential integrity constraints.
  • None of the above is correct.
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
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