What are the advantages of electronic database?
What is the advantage of computerized (electronic) database over flat file system?
What are the features of DBMS?
Advantages of DBMS:
What is the advantage of computerized (electronic) database over flat file system?
What are the features of DBMS?
Advantages of DBMS:
- It reduces the data redundancy (duplication of data).
- Large volume of data can be stored and updated easily.
- Record can be stored easily on the basis of key field.
- It provides data sharing facility.
- It has high data security and privacy.
- It takes very less time to search the data.
- It is easy to organize data in sequence.
- Adding and deleting data (updating) is easy and fast.
- Easy to check and control data redundancy.
- Easy to maintain the data integrity.
- There is facility of backup and data recovery mechanism.
Disadvantages of DBMS:
- High initial investment in hardware, software, and training.
- Cost of DBMS: The cost of DBMS varies significantly, depending on the environment and functionality provided. There is also the recurrent annual maintenance cost.
- Cost for the maintenance of the software which remains forever.
- Cost for the hardware upgrade to allow for the extensive programs and the workspaces required for their execution and storage.
- Cost for backup and recovery.