Question
The circumference of a circle is 44 cm. (Take π =
22/7.) What is the area of the circle?Solution
ATQ, Circumference C = 2πr = 44 2 × (22/7) × r = 44 (44/7)r = 44 ⇒ r = 7 cm Area = πr² = (22/7) × 7 × 7 = 154 cm²
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?