Across
- 2. field (or collection of fields) in one table that uniquely identifies a row of another table
- 7. A relational database table column (or combination of columns) designated to uniquely identify all table records
- 8. a particular item, as defined by the values it can take, the programming language used, or the operations that can be performed on it
- 9. designed to keep system integrity in a consistent state
- 11. Developer written expression, that governs what a user is allowed to enter in as input in a text box.
- 12. ensure that data entered into the computer is sensible
Down
- 1. property of data which requires every value of one column of a table to exist as a value of another column in a different (or same) table
- 3. situation that exists between two relational database tables when one table has a foreign key that references the primary key of the other table
- 4. The value the data base automatically uses for the field unless user changes the value
- 5. A single person, place, or thing about which data can be stored
- 6. Shows conditions that are unusual or need attention
- 10. a single column within a multi-column table
- 13. composed of fields and contains all the data about one particular person, company, or item in a database