Question
14 6 4 4 ?
48Solution
14 × 0.5 – 1 = 6 6 × 1 – 2 = 4 4 × 2 – 4 = 4 4 × 4 – 8 = 8 8 × 8 – 16 = 48
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: