Across
- 4. entities are organised into these
- 7. a set of data in a database
- 8. extracting information from a structured database
Down
- 1. key An attribute which uniquely identifies a record
- 2. A property of an entity
- 3. key An attribute which is the primary key in one table, and creates a join between two tables
- 5. A category of person or thing about which data is held
- 6. the language behind databases