What is the concept of knowledge discovery in database, Database Management System

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Data Warehousing & Mining

1. What is the concept of knowledge discovery in database?

2. Describe the following types of Multidimensional Data Models.
• Stars, Snowflakes and Constellations
• Concept Hierarchies
• OLAP Operations

3. Discuss the following Data Preprocessing techniques.

4. State a frequent set.

5. Define the terms Classification and Prediction. Discuss the issues pertaining to Classification and Prediction.

6. Explain major clustering methods with examples.

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