Question
How many persons are heavier than
H? Answer the questions based on the information given below: Six friends F, G, H, I, J and K have different weights. H is heavier than I but not heavier than F. G is lighter than only one person. I is not the lightest. F is heavier than J but not the heaviest.Solution
H is heavier than I but not F. G is lighter than only one person. I is not the lightest. F is heavier than J but not the heaviest.
So, there would be only one possibility i.e., K > G > F > H > I > J
Which SQL clause is used to filter records after aggregation?
A data cube allows analysis by:
In OLAP, āSlice and Diceā means:
Which type of OLAP allows operations on pre-aggregated data cubes?
Which of the following best describes the primary function of a database index?
Which clause is used to sort the results in SQL?
Which type of schema normalizes dimension tables to reduce redundancy?
Metadata in data warehousing refers to:
A snowflake schema is different from a star schema because:
Which of the following is a real-time data warehouse application?