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