Q.1
Literals do not have identifiers, and, therefore, cannot be individually referenced like objects.
Q.2
A collection of literals or object types is called a bag.
Q.3
An attribute's value is either a literal or an object identifier.
Q.4
Database objects are almost always transient.
Q.5
An attribute's value is always literal.
Q.6
Specifying a key ensures that no two objects belonging to a class have the same value for the key attribute(s).
Q.7
If you know all the possible values that an attribute can have, you can enumerate those values in ODL.
Q.8
You may specify an object identifier with only one unique tag name.
Q.9
In ODL, you specify an operation using parentheses after its name.
Q.10
An ordered collection of elements of the same type are called sets.
Q.11
The object definition language (ODL) is which of the following?
Q.12
An atomic literal is which of the following?
Q.13
Which of the following is true concerning an ODBMS?
Q.14
ODL supports the abstract keyword for classes and operations.
Q.15
The ODMG Object Model requires that a relationship be specified in both directions.
Q.16
Before specifying a key for a class, you must specify its extent.
Q.17
The Object Model supports different literal types, but does not support atomic literals, collection literals, and structured literals.
Q.18
Which of the following is true concerning the following statement: class Manager extends Employee
Q.19
Which of the following is an ordered collection of elements of the same type?
Q.20
A relationship should be specified how in the ODL?
0 h : 0 m : 1 s