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Answer» File Organization : It DESCRIBES how records are stored within a file.There are four file organization methods.
- Serial : Records are stored in chronological order (in order as they are input or occur). Examples − Recording of telephone charges, ATM transactions, Telephone queues.
- SEQUENTIAL : Records are stored in order based on a key field which contains a value that UNIQUELY identifies a record. Examples − Phone directories.
- DIRECT (relative) : Each record is stored based on a physical address or location on the DEVICE. Address is calculated from the value stored in the record’s key field. Randomizing routine or hashing algorithm does the conversion.
- Indexed : Records can be processed both sequentially and non-sequentially using indexes.
File Organization : It describes how records are stored within a file.There are four file organization methods.
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