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I want a professional with strong IT background who provide me timely assignments
Project Description:
I want a professional who can do my assignments for my major i.e. Information Systems in that information assurance.
For first two months the subjects are database management, industrial control system security.
The information should not be pasted from the web.
Skills required are Database Administration, Software Architecture, Web Security
Briefly describe concurrency execution? Lock - based protocols Locks There are several modes in which a data item may be locked in this section we restrict our attention
Critically explained the benefits and limitations of different database technologies with proper examples
What is the meaning of Recovery? In deferred update methods, if a transaction fails before arriving its commit point, it will not have altered the database in any way, so UNDO
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
Explain concurrency control? Concurrency control Oracles multiversion concurrency control varies from the concurrency mechanism used by some other data base vendors. Read
give me a diagram about physical or internal level
3 assignments combined in 1
It defines that no primary key value can be null. This is as the primary key is used to recognize individual tuple in the relation. So we will not be able to recognize the records
wh
Give the two reasons for allowing concurrency
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