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Some disadvantages of File Oriented System ?
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
A step-wise distributed database design methodology Following is a step-wise methodology for distributed database design. (1) Examine the nature of distribution. Find out wh
how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?
Explain the differences between structured data and unstructured data. Structured data are facts concerning objects and events. The most significant structured data are numeric
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
Use of partial data by applications : In common, applications work with views rather than whole relations. Thus, it may be more appropriate to work with subsets of relations rather
the of super market system done in database
The following variant of the primary copy asynchronous-update replication protocol has been proposed for totally replicated systems. (a) A transaction executing at site A updat
Competition entrants can be either Individuals, or Teams. A Team is usually sponsored by a business, and, in that case, the team members would all wear T-shirts with the sponsoring
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