Across
- 3. This type of data can only be yes or no
- 6. This type of validation ensures that a field cannot be left blank,
- 8. The key used to uniquely identify a record
Down
- 1. The language used in databases
- 2. This stores information
- 4. We use this to extract data from a database
- 5. Single line of data in a database
- 7. This holds data about a particular topic eg pupil