Across
- 2. This concept assures consistency, correctness and accessibility of data throughout the database.
- 4. This is the term used to refer to a single logical operation on the data which contains one or more sql statements.
- 8. This data model is represented by a tree like structure.
- 9. This refers to the conceptual representation of data structure
Down
- 1. This term refers to storing the same data in many different files at different locations
- 2. This term is used to refer to data which has meaning and context associated with it.
- 3. The university's database has all the grades and credits of all students. This person can decide which lecturer has access to which data
- 5. This term is used to refer to a set of structures and relationship meeting a specific need.
- 6. This consists of a set of commands that allows you to access a Relational Database.
- 7. This constraint can be put on column employee_id in the employee table to maintain unique integer values and to uniquely identify an employee record