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 a concrete class and a subclass. Manager is an abstract class and a subclass. Manager is a concrete class and a superclass. Manager is an abstract class and a superclass. Manager is a concrete class and a subclass. Manager is an abstract class and a subclass. 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 definition language (ODL) is which of the following? A method to implement a logical schema All of these A data definition language for OODB Used to develop logical schemas A method to implement a logical schema All of these A data definition language for OODB Used to develop logical schemas 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-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 Similar to SQL and uses a select-from-where structure Similar to SQL and uses a from-where structure 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
Object Oriented Database An ordered collection of elements of the same type are called sets. False True False True ANSWER DOWNLOAD EXAMIANS APP