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Give the general form of SQL query?
Select A1, A2............., An
From R1, R2..............., Rm
Where P
Question 1 Discuss about second normal form and third normal form Question 2 Write short note on 1) Data Manipulation Language 2) Data Definition La
The advantages of a database management system (DBMS) include :- Data integrity and elimination of duplication.
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Explain data independence ? Data independence is the capacity to modify the schema at one stage of a database system without having to change the schema at the further level.
#questiontypes of keys examples..
Determine the advantage of object-orientation Finally, object-orientation has advantage of continuity throughout analysis, persistent representation and design implementation.
What is recursive closure? Why is it not possible to describe this operation in relational algebra? Recursive closure is applied to recursive relationship. An instance of rec
What is hashing file organization? In the hashing file organization, a hash function is computed on some attribute of every record. The result of the hash function specify in
I need help for my Uni assignments
In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
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