Explain on Evolution of DBMS?

1.	Explain on Evolution of DBMS?
Answer» 1. The concept of storing the data started before 40 years in various formats. 2. In earlier days they have used punched card technology to store the data. 3. Then files were used. The file systems were known as predecessor of database system. 4. Various access methods in file system were indexed, random and sequential access. 5. The file systems has limitations like duplication, less security. To overcome this, DBMS was introduced.

Answer»

1. The concept of storing the data started before 40 years in various formats.

2. In earlier days they have used punched card technology to store the data.

3. Then files were used. The file systems were known as predecessor of database system.

4. Various access methods in file system were indexed, random and sequential access.

5. The file systems has limitations like duplication, less security. To overcome this, DBMS was introduced.

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