Question 1 of 25
Hints left: 3
Q1
Database objects are almost always transient.
Q2
The problem of concurrency control is more complex in a distributed database.
Q3
Literals do not have identifiers, and, therefore, cannot be individually referenced like objects.
Q4
The Object Query Language is which of the following?
Q5
Which of the following is an unordered collection of elements that may contain duplicates?
Q6
Using OQL, you may do which of the following?
Q7
Using ODL, you can define which of the following?
Q8
The keyword "inverse" is used in which of the following?
Q9
An attribute's value is either a literal or an object identifier.
Q10
ODL supports the abstract keyword for classes and operations.
Q11
Which of the following is an ordered collection of elements of the same type?
Q12
An extent is which of the following?
Q13
ODL supports which of the following types of association relationships?
Q14
The ODMG Object Model supports only unary and binary relationships.
Q15
Which of the following is true concerning an ODBMS?
Q16
The object definition language (ODL) is which of the following?
Q17
A relationship should be specified how in the ODL?
Q18
Identify the class name for the following code: ABC123 course();
Q19
The reserved word enum is used for which of the following?
Q20
Before specifying a key for a class, you must specify its extent.
Q21
A collection of literals or object types is called a bag.
Q22
An atomic literal is which of the following?
Q23
The Object Model supports different literal types, but does not support atomic literals, collection literals, and structured literals.
Q24
The ODMG Object Model requires that a relationship be specified in both directions.
Q25
Which of the following is true concerning the following statement: class Manager extends Employee