You want to make use of the object features available in the database for the form module you are developing. Which three statements about object types are true? ()

A . An object type is a user-defined composite data type.  B . The attributes of an object type can be those of other object types.  C . A PL/SQL table of records is an example of a nested object type.  D . An object type must be declared as a type before the actual object itself can be declared.

时间:2022-11-06 20:02:18 所属题库:1Z0-132题库

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