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What is a view? Make a view of EMP table named DEPT 20, to display the employees in department 20 and their annual salary.
Ans: View is a virtual table that does not consists of it own data it fetch the data from the original table.
Create view DEPT20 as select * from dept;
Where dno=20 group by dno;
design a generalization specialization hierarchy for a motor vehicle sales company. the company sells motorcycles, passenger cars, vens and buses.
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What type of view of total database content? Data base content Conceptual view of total database contain.
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What are views? Explain how views are different from tables? A view in SQL terminology is a one table in which is derived from other tables. These other tables could be base t
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