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What is Object Oriented model?
This model is based on collection of objects. An object has values stored in instance variables with in the object. An object also having bodies of code that operates on the object. These bodies of code are known methods. Objects that contain same types of values and the similar methods are grouped together into classes.
What does data dictionary is a special file contains ? The data dictionary is a special file contain The name of all fields in all files.The width of all fields in all files an
What are the several forms of identity? a) Value b) Name c) Built-in
Determine the term- Active values An active value is that has dependent values. Every dependent value registers itself with active value that contains a set of dependent values
usecase diagram,activity diagraM,SEQUENCE DIAGRAM
What is the use of keyword ISA? The use of keyword ISA is to show that a class is a specialization of another class.
What are the different kinds of database end users? Discuss the major activities of each? End-Users - End-users are the people whose jobs need access to the database for que
what is query processing ,query optimization and performance turring?
Explain how the associations are implemented as classes. A general approach in this case is to transform an association class into a simple class linked to two original classes
What is Normalization? Database normalization is a data design and organization method applied to data structures based on rules that help building relational databases. In rel
The advantages of a database management system (DBMS) include :- Data integrity and elimination of duplication.
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