Flat File System Tutorial

TRADITIONAL FILE BASED SYSTEM ::

A collection of aplication programs that perform services for the end users, such as

 production of reports....

LIMITATIONS OF FILE BASED SYS ::

1. separation & isolation of data :: data s isolated n diff files n  FBS

2. sharing:: can't share different files on  a network.....

3. duplication:: to enter the data more than once can wastes time , money  & space..

4. data dependecy::: depend of prog & field...changes to existing str r difficult....

5. incompatible file format:: we can't merge different files data in one file due to difference

of lang....

6. fixed queries / poliferation of application prog ::  all the queries had to be written by

application programmers , have no facility of evolution or new change or new demand in data.....

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