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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
A video rental company has several branches. The data held on each branch is the branch address made up of street, city, state, and zip code, and the telephone number. Ea
How the time stamps are implemented Use the value of the system clock as the time stamp. That is a transaction's time stamp is equivalent to the value of the clock when the tra
what is check point in database management system
Explain how you can define an object model of a system. A list of terms that shall be used by end users to describe state and behaviour of objects in system. Different use
For each m:n relationship type R, we make a new table (say S) to represent R. We also contain the primary key attributes of both the participating entity types as a foreign key att
What are segments in oracle? Segments - Each table has single field of disk space, known as segment, set aside for it in the tablespace. Segments consist of contiguous sections
complete assignment on the above title.
The primary key is selected from the
discuss the array implementation of a stack.
what is query processing ,query optimization and performance turring?
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