Which of the following techniques can be used to improve query performance?

The term OLAP was coined by:

The main objects used by OLAP programs are:

Granularity refers to the:

Which query would be correlated with a Data warehouse?

Data Volatility describes:

Among the following, which is NOT the objective of clustering?

In order to populate the data warehouse, which of the following set of operations are appropriate?

Which of the following operations performs aggregation on a data cube by dimension reduction?

In a 3-tier architecture of the data warehouse, the OLAP engine is related to:

‘ROLAP’ is preferred over ‘MOLAP’ in which of the following cases?