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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 which block of the file the record should be placed.
In E-R Diagram how derived attribute are represented ? In E-R Diagram By Dashed ellipse derived attribute are represented.
What is relationship? Give examples A relationship is an association between several entities. Example: A depositor relationship associates a customer with every account tha
What is 2NF? A relation schema R is in 2NF if it is in 1NF and every non-prime attribute A in R is fully functionally dependent on primary key.
Define raid? Briefly explain it? A range of disk organization methods, collectively called redundant arrays of independent disks (RAID) o Improvement of reliability throug
What are the two approaches to store relations in distributed database? a) Replication b) Fragmentation
distributed quey processing
Why a report generator is used ? Report generator is used for print files on paper.
what is meant semantic query optimization? how does it differ from other query optimization techniques?
What are the failures of Controlling Events Between Objects Failure Unintentional termination of system. Several possible causes: failure of system hardware, o
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
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