Which type of computer chips are said to be

Which SQL query will correctly calculate the average salary of employees in each department and group them by department in a table named 'employees'?

In a snowflake schema of a data warehouse, which of the following consequences is most likely as a result of normalization of dimension tables?

A surrogate key is:

Which of these is NOT an ensemble method?

Which of the following best describes a Data Warehouse?

Which schema in data warehousing uses a central fact table connected to dimension tables?

Which of the following commands is part of the Transaction Control Language (TCL) in SQL?

In the context of a relational database, which of the following is NOT a characteristic of a candidate key ?

What is meant by 'cardinality' in data modeling?

Which OLAP operation allows users to view data at different levels of granularity?