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Explain fragmentation and replication

Assignment Help Database Management System
Reference no: EM13336586

Concepts and principles

(Each answer should contain approximately 300 words.)

Question 1

What decision need to be made during physical design, and when should be create clustered indexes?

Question 2

Describe the main idea behind discretionary access control. What are its weakness?

Question 3

Explain fragmentation and replication, and explain their differences in data distribution and updating.

Question 4

Define association rules, and explain how to induct association rules by using frequent itemsets, a Priori Property, and support and confidence measures.

 

Reference no: EM13336586

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