Object Oriented Database An extent is which of the following? 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 A keyword that indicates that the superclass inherits from a subclass ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Which of the following is true concerning the following statement: class Manager extends Employee Manager is an abstract class and a superclass. Manager is an abstract class and a subclass. Manager is a concrete class and a subclass. Manager is a concrete class and a superclass. Manager is an abstract class and a superclass. Manager is an abstract class and a subclass. Manager is a concrete class and a subclass. Manager is a concrete class and a superclass. ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database An attribute's value is either a literal or an object identifier. True False True False ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database You may specify an object identifier with only one unique tag name. False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database The Object Query Language is which of the following? Not similar to SQL Similar to SQL and uses a select-from-where structure Similar to SQL and uses a select-where structure Similar to SQL and uses a from-where structure Not similar to SQL Similar to SQL and uses a select-from-where structure Similar to SQL and uses a select-where structure Similar to SQL and uses a from-where structure 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. True False True False ANSWER DOWNLOAD EXAMIANS APP