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external view of DBMS in healthcare department?
What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
Reflects organisational structure: Many organizations are distributed over various locations. If an organisation has many offices in dissimilar cities, databases used in such an ap
Define hot swapping? Hot swapping permits the removal of faulty disks and changes it by new ones without turning power off. Hot swapping decreases the mean time to repair.
how to calculate frequency count of algorithm
Define Two phase commit Two phase commit: To make sure atomicity, all the sites where a transaction is being executed must agree on the final outcome of the execution. The tran
Domain Constraint It shows that each attribute in a relation has to contain an atomic value only from the corresponding domains. The data types associated with commercial RDBMS
i need to submit in this topic.
What are the various forms of data transparency? a) fragmentation transparency b) replication transparency c) location transparency
what do you understand by enhanced entity-relationship
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