Computer General Science Test Hard Mode

Sr. #	Questions	Answers Choice
1	In hybrid distribution which kind of fragments are stored at only one site?	Critical fragments Non-critical fragments Critical and non-critical fragments Only large fragments
2	In ERD model the relationship between two entities is represented by a	Diamond symbol Rectangular box Oval symbol Line
3	Database development process involves mapping of conceptual data model into:	Object oriented data model Network data model Implementation model Hierarchical data model
4	An entity related to itself in an ERD model refers to	Recursive relationship One-to-many relationship Many-to-many relationship One-to-one relationship
5	Which of the following keys does not hold uniqueness property?	Candidate key Foreign key Primary key Secondary key

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