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Determine object representation
As a designer, we must choose properly that when to use primitive types in representing objects and when to combine groups of related objects, what is exact representation of object attributes.
What is object identity? An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
What is foreign key? A relation schema r1 derived from an ER schema may contain among its attributes the primary key of another relation schema r2.this attribute is known as a
Creating views with Read only option : In the view definition this option is used to make sure that no DML operations can be done on the view.
Explain Interfaces for parametric Users? Interfaces for Parametric Users - Parametric users, such as bank tellers, frequent have a little set of operations in which they must p
When a function module is activated syntax checking is performed automatically. YEs, a function module is activated syntax checking.
How can one distinguish among different kinds of parameters? Input parameters are used to pass data to subroutines. Output parameters are used to pass data from subrout
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
diagrams and meaning
Benefits and limitations
define normalisation and functional dependency
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