Q. The purpose of the primary key in a database is to : (Solved)
1. unlock the database
2. provide a map of the data
3. uniquely identify a record
4. establish constraints on database operations
5. None of these
- b. provide a map of the data
1. unlock the database
2. provide a map of the data
3. uniquely identify a record
4. establish constraints on database operations
5. None of these