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 The ODMG Object Model requires that a relationship be specified in both directions. False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Using OQL, you may do which of the following? Return a specific subset of elements using a given criteria. Return an entire collection of elements including duplicates. Return a collection of elements without duplicates. All of these Return a specific subset of elements using a given criteria. Return an entire collection of elements including duplicates. Return a collection of elements without duplicates. All of these 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 An extent is which of the following? A keyword that indicates that the superclass inherits from a subclass A keyword that indicates that the subclass inherits from a superclass Only one instance of a class within a database The set of all instances of a class within a database A keyword that indicates that the superclass inherits from a subclass A keyword that indicates that the subclass inherits from a superclass Only one instance of a class within a database The set of all instances of a class within a database 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
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