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Define raid? Briefly explain it?
A range of disk organization methods, collectively called redundant arrays of independent disks (RAID)
o Improvement of reliability through redundancy.
o Improvement in performance thorugh parallelism
1. Bit level striping
2. Block level striping
RAID levels
Normal 0 false false false EN-US X-NONE X-NONE
how oracle can be used
Normalize the given relation to 3NF, justifying each step
Having clause This clause is used for producing conditions on grouped information. Example: Find maximum salary and department number of those departments where maxim
what is bogus empowerment. And what is genuine empowerment
explain cascading rollback
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
Explain the disadvantages of creating a temporary table? If you have already created a temporary table with a shown name and attempting to create a second one with that nam
what is lossless & dependency preserving decomposition ?
Explain concurrency control? Concurrency control Oracles multiversion concurrency control varies from the concurrency mechanism used by some other data base vendors. Read
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