(A) Database
(B) Tables
(C) Attributes
(D) Entity sets
Category: Database Mcqs
Database Mcqs for Screening tests, Interviews, Viva and Other competitive exams. Database Mcqs section will help users to prepare mcqs of Database for various exams. Aspirants of Lecturer Computer Science, SST Computer Science, Subject Specialist Computer Science, Data Entry operator, Computer Programmer, Computer Operator, System administrator, Database Administrator and all other Exams can prepare their Database portion from here.
What diamonds represents in an entity relationship diagram?
(A) Weak entity set
(B) Relationship sets
(C) Multi valued attributes
(D) Attributes
What Ellipses represents in an entity relationship diagram?
(A) Relationship sets
(B) Weak entity set
(C) Attributes
(D) Multivalued attributes
Among following identify single valued attribute?
(A) Subject_Taken
(B) Address
(C) Registration number
(D) Reference
Which among following can be a multivalued attribute?
(A) Date_of_Birth
(B) Phone_Number
(C) Name
(D) All of the above
Attribute AGE is calculated from DATE_OF_BIRTH. Attribute AGE is?
(A) Derived
(B) Composite
(C) Multi valued
(D) Single valued
Attribute name could be structured as an attribute consisting of first name, middle initial and last name. This type of attribute is called?
(A) Derived attribute
(B) Multivalued attribute
(C) Simple attribute
(D) Composite attribute
If collecting and storing information about music collection, then an album would be considered?
(A) Instance
(B) Attribute
(C) Relation
(D) Entity