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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
Give some encryption techniques? A) DES B) AES C) Public key encryption
Attributes attached to an entity can be of various types. Simple The attribute that cannot be further separated into smaller parts and shows the basic meaning is known as a
Sequential File Organisation The most necessary way to organise the collection of records in a file is to use sequential Organisation. Records of the file are stored in series
what are information system hirarchy?
Explain the Query Processing Data Query Processing permits a user to report or analyze structured and unstructured data pulled from multiple data sources.
Explain trivial dependency? Functional dependency of the form α ->β. is trivial if α C β. Trivial functional dependencies are satisfied by all the relations.
Create student database and retrieve course name taught by king? STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (secti
Normal 0 false false false EN-US X-NONE X-NONE
external view of DBMS in healthcare department?
I am using Siteground. And my database is full of limit so need someone who reduces the data which no need. This is very simple and simple task. Skills required are Databa
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