Object Oriented Database An extent is which of the following? A keyword that indicates that the subclass inherits from a superclass A keyword that indicates that the superclass inherits from a subclass 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 subclass inherits from a superclass A keyword that indicates that the superclass inherits from a subclass Only one instance of a class within a database The set of all instances of a class within a database 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 class. To define a range for a relationship. To define a range for an attribute. All of these To define a range for a class. To define a range for a relationship. ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Which of the following is true concerning an ODBMS? They are most useful for traditional, two-dimensional database table applications. They have the ability to store complex data types on the Web. They are overtaking RDBMS for all applications. All of these They are most useful for traditional, two-dimensional database table applications. They have the ability to store complex data types on the Web. They are overtaking RDBMS for all applications. All of these ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Database objects are almost always transient. False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database ODL supports the abstract keyword for classes and operations. False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database The ODMG Object Model requires that a relationship be specified in both directions. False True False True ANSWER DOWNLOAD EXAMIANS APP