Question
Choose the correct alternative. He is
suffering ______ fever.Solution
The correct phrase is suffering from an illness.
In a star schema, what is the main advantage of using surrogate keys in fact tables?
Data cleansing is primarily concerned with:
In a data warehouse, which type of table stores quantitative data for analysis?
Which of the following is NOT a common OLAP operation?
Which of these is not a typical data warehouse characteristic?
Which of the following is used to maintain information about the structure of a data warehouse?
What is meant by 'cardinality' in data modeling?
Which of the following is a key process in ETL?
A star schema in a data warehouse consists of:
Which operation in OLAP allows selecting a single dimension from a cube?