Across
- 3. Aims to make sure that data is sensible, reasonable and allowable.
- 4. To define a key field where no two products have the same id.
- 7. A database that stores data in more than one table.
- 8. A method to reduce storage space and speed up data entry.
- 9. A single piece of data about one person or one thing.
- 10. All of the data about one person or one thing.
Down
- 1. Something that has been put in place to prevent data corruption.
- 2. Data entered several times which is not the same.
- 5. Data that appears more than once.
- 6. A series of characters to be typed to allow access.
- 7. When data is duplicated unnecessarily.