Semantic Object Views in database
I want to clear my concepts about the semantic object views in databases. Can anyone guide me in detail? I am waiting for the experts to respond.
I want to clear my concepts about the semantic object views in databases. Can anyone guide me in detail? I am waiting for the experts to respond.
A part of an object that is displayed in a particular application is called a view or semantic object view. One object can be displayed in different views as required. Suppose we want to generate two reports i.e. one for displaying all students in the college and one for displaying all the professors in the college.
These reports are different views of a college. Some attributes of the college will be displayed in both views; such as name and address. But the first report will contain the names of all the students and not professors. The second report will contain the names of all professors and not students.
If there are different views of an object available in databases, then can we categorize the object in a different type or not?
Yes, we can categorize the objects with respect to their types. There are seven types of objects available in databases. These types are divided according to there attributes like single-valued, multi-valued and non-object attributes.
Simply you can say that semantic object view is a subset of a semantic object. The types of semantic objects are as follows: