Data Warehouse Quiz

What is a Data Warehouse primarily designed for?

• Real-time processing

• Data entry

• Query and analysis

• Transaction processing

Which of the following is NOT a characteristic of a Data Warehouse?

• Time-variant

• Volatile

• Integrated

• Subject-oriented

What does ETL stand for in the context of Data Warehousing?

• Evaluate, Test, Launch

• Evaluate, Transform, Load

• Extract, Transfer, Load

• Extract, Transform, Load

Which of the following best describes the data in a Data Warehouse?

• Current and operational

• Transactional and dynamic

• Historical and non-volatile

• Real-time and volatile

Who were the pioneers of the Data Warehouse concept?

• Larry Page and Sergey Brin

• Bill Gates and Paul Allen

• Steve Jobs and Steve Wozniak

• Barry Devlin and Paul Murphy

What type of data does a Data Warehouse typically exclude?

• Historical data

• Integrated data

• Operational data

• Data not useful for decision-making

Which of the following is a component of a Data Warehouse environment?

• Real-time Data Processing System

• Data Entry System

• Online Analytical Processing (OLAP) engine

• Online Transaction Processing (OLTP) engine

What is the primary purpose of a Data Warehouse?

• To manage real-time data

• To store transactional data

• To facilitate decision-making

• To support daily operations

Which of the following statements is true about the data in a Data Warehouse?

• It is non-volatile and historical

• It is only used for operational tasks

• It is frequently updated

• It is only current data

What does the term 'Non-Volatile' imply in the context of a Data Warehouse?

• Data is always current

• Data is only temporary

• Data remains unchanged once entered

• Data can be frequently changed