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What are the two approaches to store relations in distributed database?
a) Replication
b) Fragmentation
Distributed query and transaction processing a. Construct a query around any one of the functional divisions you made in 4a such that if executed in the distributed design of 4
Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
How to create a biological database based on viruses. How to decide which attribute should be there in the table and schema? How to identify the primary keys, foreign keys, domain,
Determine Which is not a consequence of concurrent operations? Ans: Update anomaly.
give me a diagram about physical or internal level
What are axioms? Axioms or rules of inference give a simpler technique for reasoning about
Determine the Other System Design Issue How to realise subsystems; through hardware or software? How is object model mapped on chosen hardware software? Mapping
what problems are raised by the database? why is it so controversial? why is data quality an issue?
folding method and mid square method using visual basic
What Is Recovery? During the life of a transaction, i.e., a after the start of a transaction but before the transaction commits, various changes may be made in a database state
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