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1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
Boyce-Code Normal Form (BCNF) A relationship is said to be in BCNF if it is already in 3NF and the left hand side of each dependency is a candidate key. A relation who is in 3N
Explain four causes for failures in data warehouse projects
What is document scanning and imaging? Document scanning and imaging, or digital archiving, is the method of scanning a document into a digital image to archive and retrieve a
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
In which format database schema is written ? Data base schema is written in the DDL format.
Which method of access uses key transformation? A Hash method of access uses key transformation.
management information system based on functional organisation
What are the drawbacks of File Oriented System in details?
Question : (a) Explain with the help of appropriate examples the difference between ‘Data' and ‘Information'. (b) A digital image is an array of pixels, where each pixel h
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