Questions
Question 1 Multiple Choice (Single Answer)
In an object oriented model, one object can access data of another object by passing
- pointers
- message
- variable
- view
- trigger
Question 2 Multiple Choice (Single Answer)
Every BCNF is in
- only first and second NF
- only first and third NF
- in first, second and third NF
- only second and third NF
- only first NF
Question 3 Multiple Choice (Single Answer)
Which language is used by the programmers to manipulate the database?
- DDL
- QL
- DCL
- DML
- SQL
Question 4 Multiple Choice (Single Answer)
The key to represent relationship between tables is called
- foreign key
- primary key
- composite key
- table relation key
- candidate key
Question 5 Multiple Choice (Single Answer)
A functional dependency is a relationship between
- attributes
- tables
- databases
- records
- entities