Question
What will come in the
place of question mark (?) in the given expression? (4/5) × (25/16) × (?/18) = (5/6)Solution
(4/5) × (25/16) × (?/18) = (5/6)
? = (5 × 18 × 5 × 16) ÷ (6 × 4 × 25)
? = 12
Which OLAP operation involves focusing on a subset of dimensions (e.g., region=‘Asia’)?
Which OLAP operation summarizes data along a dimension?
A snowflake schema differs from a star schema mainly because:
Which of the following is a key process in ETL?
Which schema in data warehousing uses a central fact table connected to dimension tables?
What is meant by 'cardinality' in data modeling?
ETL stands for:
Data cleansing is primarily concerned with:
Which process loads data from multiple sources into a data warehouse?
Data warehouse metadata primarily describes: