Question

Before creating database we must remember 5 points.​

Answer 1

Answer:

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Explanation:

Introduction

Rule 1: What is the nature of the application (OLTP or OLAP)?

Rule 2: Break your data in to logical pieces, make life simpler

Rule 3: Do not get overdosed with rule 2

Rule 4: Treat duplicate non-uniform data as your biggest enemy

Rule 5: Watch for data separated by separators

Rule 6: Watch for partial dependencies

Rule 7: Choose derived columns preciously

Rule 8: Do not be hard on avoiding redundancy, if performance is the key

Rule 9: Multidimensional data is a different beast altogether

Rule 10: Centralize name value table design

Rule 11: For unlimited hierarchical data self-reference PK and FK

Answer 2

Explanation:

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