Object Oriented Database An extent is which of the following? A keyword that indicates that the superclass inherits from a subclass Only one instance of a class within a database A keyword that indicates that the subclass inherits from a superclass The set of all instances of a class within a database A keyword that indicates that the superclass inherits from a subclass Only one instance of a class within a database A keyword that indicates that the subclass inherits from a superclass The set of all instances of a class within a database ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Literals do not have identifiers, and, therefore, cannot be individually referenced like objects. False True False True 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
Object Oriented Database Which of the following is true concerning the following statement: class Manager extends Employee Manager is a concrete class and a subclass. Manager is an abstract class and a subclass. Manager is an abstract class and a superclass. Manager is a concrete class and a superclass. Manager is a concrete class and a subclass. Manager is an abstract class and a subclass. Manager is an abstract class and a superclass. Manager is a concrete class and a superclass. 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). False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database The Object Query Language is which of the following? Similar to SQL and uses a select-from-where structure Similar to SQL and uses a from-where structure Not similar to SQL Similar to SQL and uses a select-where structure Similar to SQL and uses a select-from-where structure Similar to SQL and uses a from-where structure Not similar to SQL Similar to SQL and uses a select-where structure ANSWER DOWNLOAD EXAMIANS APP
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