Object Oriented Database An extent is which of the following? The set of all instances of a class within a database Only one instance of a class within a database A keyword that indicates that the superclass inherits from a subclass A keyword that indicates that the subclass inherits from a superclass The set of all instances of a class within a database Only one instance of a class within a database A keyword that indicates that the superclass inherits from a subclass A keyword that indicates that the subclass inherits from a superclass ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database The keyword "inverse" is used in which of the following? Class All of these Relationship Attribute Class All of these Relationship Attribute ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Specifying a key ensures that no two objects belonging to a class have the same value for the key attribute(s). True False True False ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database A collection of literals or object types is called a bag. False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Database objects are almost always transient. False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database A relationship should be specified how in the ODL? One direction starting with the first class Neither direction One direction starting with the second class Both directions One direction starting with the first class Neither direction One direction starting with the second class Both directions ANSWER DOWNLOAD EXAMIANS APP
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