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Aside from high cost building it, DBMS also incurs recurrent annual maintenance.
Cost
If it is too functional and complex, it means that it has a huge amount of data stored.
Size
DBMS systems provide mechanisms to represent concurrent access of data to multiple users.
Controls concurrency
The centralized system is able to represent the complex data and interfile
Develops data model
A DBMS must provide facilities for recovering from hardware or software failure.
Provides backup and recovery
When multiple users share database, it is likely that every user has different access type
Restricts Unauthorized access
A standard can be enforced easily at various levels since the standardized data is very helpful during migration or interchanging of data.
Enforces standards
In a centralized system, applications may be developed without having to create any new stored files since the files are shared by the users
Shares data
If redundancy is controlled in centralized system, there is lesser chance that the data is inconsistent.
Avoids inconsistency.
Some integrity constraints are enforced on the database making the integrity of always accurate.
Enforcements Integrity
It is collections of different sets of data related to each other.
Relational Database
It is contains one specific category of data. For example, Information on a students goes to simple database as information on his or her school grades goes into a different database.
Simple Database
A computerized database is compact, flexible, and fast. It can store thousands of data without occupying too much space.
Computerized Database
It is commonly used for recordkeeping in schools and offices and also at home.
Database
It comes in varied forms like words, number, or symbol data also relates to transactions, facts and events.
Data
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