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 The reserved word enum is used for which of the following? To define a range for an attribute. All of these To define a range for a relationship. To define a range for a class. To define a range for an attribute. All of these To define a range for a relationship. To define a range for a class. ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database A relationship should be specified how in the ODL? Both directions Neither direction One direction starting with the first class One direction starting with the second class Both directions Neither direction One direction starting with the first class One direction starting with the second class ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database The Object Model supports different literal types, but does not support atomic literals, collection literals, and structured literals. False True False True 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 Which of the following is true concerning an ODBMS? All of these They have the ability to store complex data types on the Web. They are most useful for traditional, two-dimensional database table applications. They are overtaking RDBMS for all applications. All of these They have the ability to store complex data types on the Web. They are most useful for traditional, two-dimensional database table applications. They are overtaking RDBMS for all applications. ANSWER DOWNLOAD EXAMIANS APP
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