Answer the following questions: What are the objectives of selecting a data type for a field? Explain
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Question:
- Answer the following questions:
- What are the objectives of selecting a data type for a field?
- Explain why you sometimes must reserve much more space for a numeric field than any of the initial stored values requires.
- Explain why normalize relations may not be the most efficient design.
- Explain why an index is useful only if there is sufficient variety in the values of an attribute.
- What is the difference between a dynamic view and a materialized view?
- List six potential benefits of having in SQL standard that is widely accepted.
Related Book For
Modern Database Management
ISBN: 978-0133544619
12th edition
Authors: Jeff Hoffer, Ramesh Venkataraman, Heikki Topi
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