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E VO L U TI O N O F F I L ESY STEM DA TA P RO C E S SI NG        IN LIBRARIES      Manual File System
Reasons for studying file systems complexity of database is easier to understand understanding file system problems help...
• File systems typically composed of collection of  file folders, each tagged and kept in cabinet• Contents of each file f...
Manual File System was used in paper and pencil systems. papers within these systems were organized in  order to facilit...
FUNCTIONS :   served as a data    repository for small    data collections. Cumbersome for large collections
Advantages: a manual filing system cannot be destroyed byan accidental power loss. hackers cannot access a manual filing...
DisadvantagesSummarizing data and writing reports takes a lot time. data duplication – lack of security
 Common errors Repetition of workSlow retrieval of data
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Evolution of file system data processing in l ibraries

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Database Design

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

  1. 1. E VO L U TI O N O F F I L ESY STEM DA TA P RO C E S SI NG IN LIBRARIES Manual File System
  2. 2. 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
  3. 3. • File systems typically composed of collection of file folders, each tagged and kept in cabinet• Contents of each file folder are logically related.
  4. 4. 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.
  5. 5. FUNCTIONS : served as a data repository for small data collections. Cumbersome for large collections
  6. 6. Advantages: a manual filing system cannot be destroyed byan accidental power loss. hackers cannot access a manual filing systemfrom another computer. this helps security issues.
  7. 7. DisadvantagesSummarizing data and writing reports takes a lot time. data duplication – lack of security
  8. 8.  Common errors Repetition of workSlow retrieval of data
  9. 9. Thank You!!!
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