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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.
This language that enable user manipulate to or access data as organized by appropriate data model. Low level or Procedural DML : DML needs a user to specify what data ar
The technique of converting the state diagram to code a) Identify all major control paths. Start from initial state; choose a path across the diagram that corresponds to normal
How do I use strap on?#
Components of database manager The above functions are reached by the database manager. The major elements of a database manager are: Authorisation control: This mod
Write an sql statement to find what is the percentage of home policies which are from the state of Arizona out of all Home policies by Policy Value.
Which method of access uses key transformation? A Hash method of access uses key transformation.
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Define object-relational systems? Systems that give object-oriented extensions to relational systems are known as object-relational systems.
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Have a look around the site, and at some of the sites they have featured. These are all examples of bad design, and also offer an explanation about why they fall into this category
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