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Compare and contrast benefits and challenges that exist between centralized database
management systems and distributed database management systems. Identify potential
business environments where each can be properly used.
Answer:
Benefits:
Centralized database management
systems
Distributed database management
systems
Access the share memory Database can be access across multiple
physical locations.
Everything will be store on central
server. There is no need to share data.
Provide data sharing feature so anyone
can share data from different locations.
Everyone has same controlling over
database.
Provide distributed control so If a
number of different sites are connected
to each other, then a user at one site may
be able to access data that is available at
another site
It reduce the time to access data from
database
It take more time than centralized
database because In a distributed
database system, the database is stored
on several computers
Challenges:
Principle challenge in conveyed database framework to build the security over unapproved
access. The motivation behind appropriated database security is to manage shielding
information from individuals or, programming having malignant intension. Dispersed
framework has four primary security parts, security confirmation, approval, Encryption, and
multi-level access control while in incorporated database framework we can give more
security however to both security is the fundamental test.

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Both database framework can be utilized as a part of managing an account segment. Since in
managing an account division we have to keep up enormous database for distinctive -2 areas.
2) Analyses at least two considerations that would be required to ensure effective transaction
transparency of centralized database management systems and distributed database
management systems. Justify your response.
Answer:
Consideration for both centralized database management systems and distributed database
management systems:
1. Each site that starts exchanges has an exchange facilitator to oversee exchanges that
start there or For neighborhood or remote exchanges, the exchange supervisor at the
information site assumes control
For worldwide exchanges, the beginning site facilitator
uses the Global Data Dictionary to structure sub-exchanges
directs the sub-exchanges to suitable locales
receives sub-exchange comes about and fuses them

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Compare and contrast benefits and challenges that exist between centralized database management systems and distributed database management systems. Identify potential business environments where each can be properly used.? Answer: Benefits: Centralized database management systems Distributed database management systems Access the share memory Database can be access across multiple physical locations. Everything will be store on central server. There is no need to share data. Provide data sharing feature so anyone can share data from different locations. Everyone has same controlling over database. Provide distributed control so If a number of different sites are connected to each other, then a user at one site may be able to access data that is available at another site It reduce the time to access data from database It take more time than centralized database because In a distributed database system, the database is stored on several computers Challenges: Principle challenge in conveyed database framework to build the security over unapproved access. The motivation behind appropriated database security is to manage shielding information from individuals or, programming having malignant intension. Dispersed framework has four primary security parts, security confirmation, approval, Encryption, and multi-level access control while in incorporated database framework we can give more security however to both security is the fundamental test. Both database framework can be ...
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