In this chapter, you learn about the following:
❑ Information and data and data integrity
❑ Tables
❑ Fields and columns and attributes
❑ Datatypes
❑ Validation and NULL values and Constraints
❑ Relations and relationships and some normalization
❑ Entity Relationship Diagrams (ERDs)
❑ Primary and foreign keys
❑ Referential integrity
❑ Indexes
❑ Specialized objects (views and materialized views)