Object-Oriented Database - General Questions Online Exam Quiz
Object-Oriented Database - General Questions GK Quiz. Question and Answers related to Object-Oriented Database - General Questions. MCQ (Multiple Choice Questions with answers about Object-Oriented Database - General Questions
ODL supports which of the following types of association relationships?
Options
A : Unary
B : Unary and Binary
C : Unary and Binary and Ternary
D : Unary and Binary and Ternary and higher
An extent is which of the following?
Options
A : A keyword that indicates that the subclass inherits from a superclass
B : A keyword that indicates that the superclass inherits from a subclass
C : The set of all instances of a class within a database
D : Only one instance of a class within a database
Identify the class name for the following code: ABC123 course();
Options
A : ABC123
B : course
C : course()
D : All of the above.
Using ODL, you can define which of the following?
Options
A : Attribute
B : Structure
C : Operation
D : All of the above.
The keyword "inverse" is used in which of the following?
Options
A : Class
B : Attribute
C : Relationship
D : All of the above.
The object definition language (ODL) is which of the following?
Options
A : Used to develop logical schemas
B : A data definition language for OODB
C : A method to implement a logical schema
D : All of the above.
An atomic literal is which of the following?
Options
A : Strings
B : Boolean
C : Long
D : All of the above.
Which of the following is true concerning an ODBMS?
Options
A : They have the ability to store complex data types on the Web.
B : They are overtaking RDBMS for all applications.
C : They are most useful for traditional, two-dimensional database table applications.
D : All of the above.
The reserved word enum is used for which of the following?
Options
A : To define a range for an attribute.
B : To define a range for a class.
C : To define a range for a relationship.
D : All of the above.
Which of the following is an unordered collection of elements that may contain duplicates?
Options
A : Set
B : Bag
C : List
D : Dictionary
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