ISF stands for various terms. Discover the full forms, meanings, and possible interpretations of ISF across different fields and industries.
An index is an additional file that contains information about where records are stored. In the simplest case, an index would be a contain the key values of the records and the address where the record is stored. The index file would be a sequential file, with the index records stored in key value order. This makes the index easy to search.An indexed sequential file is a sequential file that also has an index. This would allow sequential access of records as well as indexed access.
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