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Explain the disadvantages of using DBMS
There could be a few disadvantages of using DBMS.
As DBMS requires computers, we have to invest a good amount in acquiring the hardware, software, installation facilities and training of users.
We have to keep regular backups because a failure can happen any time. Taking backup is a lengthy process and the computer system cannot perform any other job at this time.
Whereas data security system is a boon for using DBMS, it must be very robust. If someone can bypass the security system then the database would become open to any type of mishandling
Security: In a centralised system, access to the data can be simply controlled. Though, in a distributed DBMS not only does access to replicated data have to be controlled in many
In which format database schema is written ? Data base schema is written in the DDL format.
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What disadvantage of ODBC does OLE DB overcome? By breaking the features and the methods of a DBMS into COM objects, OLE DB characteristic overcomes a main disadvantage of ODBC
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