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 superclass. Manager is a concrete class and a subclass. Manager is an abstract class and a superclass. Manager is an abstract class and a subclass. Manager is a concrete class and a superclass. Manager is a concrete class and a subclass. ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database The Object Query Language is which of the following? Similar to SQL and uses a from-where structure Similar to SQL and uses a select-where structure Similar to SQL and uses a select-from-where structure Not similar to SQL Similar to SQL and uses a from-where structure Similar to SQL and uses a select-where structure Similar to SQL and uses a select-from-where structure Not similar to SQL 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 An extent is which of the following? A keyword that indicates that the superclass inherits from a subclass The set of all instances of a class within a database Only one instance 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 The set of all instances of a class within a database Only one instance of a class within a database A keyword that indicates that the subclass inherits from a superclass ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database The object definition language (ODL) is which of the following? Used to develop logical schemas A data definition language for OODB A method to implement a logical schema All of these Used to develop logical schemas A data definition language for OODB A method to implement a logical schema All of these 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
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