Question
A prism and a pyramid have the same base and the same
height. Find the ratio of the volumes of the prism and the pyramid.Solution
Volume of prism =area of base (b)×h =b×h Volume pyramid =1/3 ×area of base(b)×h Ratio of the volume’s prism and pyramid=(b×h)/1/3 ×b×h =3/1 =3:1.
Which of the following is NOT a common OLAP operation?
Which type of schema normalizes dimension tables to reduce redundancy?
A surrogate key is:
Which of the following best describes a fact constellation schema in a data warehouse?
Which OLAP operation involves focusing on a subset of dimensions (e.g., region=‘Asia’)?
Which analytics type is focused on predicting future outcomes?
ETL stands for:
A Fact Constellation Schema is also called:
What is a data mart?
Which clause is used to sort the results in SQL?