Object Oriented Database An extent is which of the following? Only one instance of a class within a database The set of all instances 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 Only one instance of a class within a database The set of all instances 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 You may specify an object identifier with only one unique tag name. True False True False ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database A relationship should be specified how in the ODL? Both directions One direction starting with the first class One direction starting with the second class Neither direction Both directions One direction starting with the first class One direction starting with the second class Neither direction ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database A collection of literals or object types is called a bag. True False True False ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Before specifying a key for a class, you must specify its extent. True False True False ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database If you know all the possible values that an attribute can have, you can enumerate those values in ODL. False True False True ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS