Indexed Sequential File Definition and Explanation PDF Download
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Indexed Sequential File Definition:
A file in which records are ordered according to the values of a key field. main file is supplemented with index file that contains the partial list of key values.
Operating Systems by William Stallings
Indexed Sequential File Explanation:
Indexed Sequential File is a computer file that contains index. The difference in this file and the indexed file is that the index in this file acts no more than a pointer to a memory block. The index points to the block from where the data records are retrieved.
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