Multidimensional Cube Quiz

1. What is a multidimensional cube in data warehousing?

A database table
A structure for organizing and analyzing data across multiple dimensions
A programming language
A network protocol

2. Which operation allows selecting a single dimension from a cube?

Drill-up
Slice
Roll-up
Pivot

3. Which operation reduces the level of detail in a cube?

Roll-up
Drill-down
Slice
Dice

4. What is a dimension in a data cube?

A measure of performance
A data storage device
A perspective or category used to analyze data
A query language

5. Which of the following is an example of a measure?

Product
Region
Sales Amount
Time

6. What does the Dice operation do?

Rotates the cube
Selects a sub-cube by specifying ranges on multiple dimensions
Deletes data
Aggregates data

7. Which schema is commonly used for multidimensional cubes?

Star Schema
Ring Schema
Linear Schema
Circular Schema

8. What is Drill-down used for?

Viewing more detailed data
Aggregating data
Deleting dimensions
Creating reports

9. Which dimension is commonly found in sales data cubes?

Time
Compiler
Algorithm
Protocol

10. What is the primary purpose of OLAP cubes?

Transaction processing
Data backup
Multidimensional data analysis and decision support
Network management