Evolution of file system data processing in l ibraries

EVOLUTION OF FILE SYSTEM DATA

PROCESSING IN LIBRARIES

Manual File System

Reasons for studying file systems

complexity of database is easier to understand

understanding file system problems helps to avoid problems with DBMS systems.

Knowledge of file system is useful for converting file system to database system

• File systems typically composed of collection of file folders, each tagged and kept in cabinet

• Contents of each file folder are logically related.

Manual File System

was used in paper and pencil systems.

papers within these systems were organized in order to facilitate the expected use of the data.

this was accomplished through a system of file folders and filing cabinets.

FUNCTIONS :

served as a data repository for small data collections.

Cumbersome for large collections

a manual filing system cannot be destroyed by

an accidental power loss.

hackers cannot access a manual filing system

from another computer.

this helps security issues.

Advantages:

Disadvantages

Summarizing data and writing reports takes a lot time.

data duplication –

lack of security

Common errors

Repetition of work

Slow retrieval of data

Thank You!!!