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Explain how you can define an object model of a system.
A list of terms that shall be used by end users to describe state and behaviour of objects in system.
Different user classes may need different mental models of objects in the system. This concludes:
Which type of objects there are (user objects).
What information user can know about object of a particular type (user object attributes).
How objects may be related to the other objects (relationships).
Object types with 'subtypes' that have additional specialised actions or attributes i.e., User object, User object subtype, User object action, Container objects.
A model of business objects which end users believe interact within a GUI system.
Explain the functions of data manager? Functions of Data Manager : - Convert operations in user's queries coming directly through query processor or indirectly in an applicatio
Define the Traditional System Analysis and Design Traditional System Analysis and Design (SAD) have three basic life cycle models. A typical software lifecycle consists of the
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assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture
Define the Query optimisation The query parser commonly generates a standard initial tree to correspond to an SQL query, with no doing any optimization. Such type of a canonica
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What will be create when a primary key if combined with a foreign key? A primary key if combined with a foreign key it creates Parent-Child relationship between the tables that
About Attribute inheritance
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