DB 2 - Introduction to Database Documentation

Question 1

Why is database documentation needed?

Answer 1

Database documentation is needed to provide users of the database a guide to access and navigate through complex and large database system in an effective manner

Question 2

What is the purpose of the database documentation?

Answer 2

Database are vague, complex and large
Vague - of uncertain, indefinite

Question 3

What are the 5 components of database documentation?

Answer 3

• Data dictionary
• Metadata and change history
• Detailed database structure description
• Entity Relationship Diagram (ERD)
• Database code in documented form