Evolution of file system data processing in l ibraries
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Transcript of 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!!!