Object Oriented Database Before specifying a key for a class, you must specify its extent. True False True False 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 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 You may specify an object identifier with only one unique tag name. True False True False ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database The Object Query Language is which of the following? Similar to SQL and uses a select-where structure Not similar to SQL Similar to SQL and uses a select-from-where structure Similar to SQL and uses a from-where structure Similar to SQL and uses a select-where structure Not similar to SQL 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 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 relationship. To define a range for a class. To define a range for an attribute. All of these To define a range for a relationship. To define a range for a class. ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database The object definition language (ODL) is which of the following? 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 A method to implement a logical schema All of these ANSWER DOWNLOAD EXAMIANS APP
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