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What is object identity?
An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
Which database level is closest to the users? External database level is closest to the users.
What is a homogeneous distributed database? In homogeneous distributed databases, all sites have the same database management system software, are aware of one another, and agr
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
Question 1 List and explain various Normal Forms. How BCNF differs from the Third Normal Form and 4th Normal forms? Question 2 Describe the concepts of Structural Semantic Da
discuss the purpose of the concurrency control?
Explain the Difference between DROP and DELETE DELETE deletes one or more than one tuples of a particular relation from the database. DROP is employed to remove a table from th
to develop elrctronic database from manual forms
How is the database organised in Oracle? Database organized within Oracle in terms of table and table holds attributes and values. A database consists of one or more logical
wh
Define physical and logical data independence. How does this architecture help in achieving these? Data independence entails that change in one view must not need a change in t
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