Across
- 5. Command to insert data
- 7. An attribute that can be left blank
- 8. A software that manages databases
- 10. A structured collection of data
- 11. Row in a relational table
- 12. Column in a table
Down
- 1. Column that links two tables
- 2. Collection of logically related records
- 3. Data about data
- 4. Ensures that each row in a table is unique
- 6. Command used to change existing data
- 9. Language used to query databases