12th class Computer Science chapter 3 online mcq test with answers for ICS part 2 Computer Science chapter 3 (Data Base Process)

ICS Part 2 Computer Science Chapter 3 Online Test

Sr. #	Questions	Answers Choice
1	Optional is represented by	0 1 2 none of these
2	Relationship are	uni-directional bi-directional tri-directional none of these
3	In ERD model, the relationship between two entities is represented by a	diamond symbol rectangular box oval symbol line
4	An entity related to itself in an ERD model refers to	recursive relationship one-to-many relationship many to many relationship on to one relationship
5	Which of the following key does not hold uniqueness property ?	candidate key foreign key primary key Secondary key