Question
Five people make statements about their heights. Only
one of them is lying. Study the statements carefully and identify the second tallest person in the group. 1. Aditya: I am taller than Nachiket, but shorter than Sanika. 2. Rushikesh: I am taller than Aditya, but shorter than Sanika. 3. Nachiket: I am of the same height as that of Rushikesh and taller than Nikita. 4. Sanika: I am the tallest. 5. Nikita: Rushikesh is shorter than Aditya.Solution
The correct answer is D
'Data modelling' means:
In a data warehouse, a fact table typically contains:
In a data cube, what does "slice" operation do?
Which OLAP operation involves focusing on a subset of dimensions (e.g., region=βAsiaβ)?
Which OLAP operation allows drilling down into more detailed data?
Which of the following is a key process in ETL?
Which type of data warehouse is focused on specific business lines or departments?
Which type of OLAP allows analysis of multidimensional data stored in relational databases?
A star schema in a data warehouse consists of:
Which OLAP operation allows users to view data at different levels of granularity?