This site discusses the organization of indexed files; procedure division considerations; simple input-output statements for indexed files; updating, adding, and deleting records in an indexed file; the advantages and disadvantages of indexed files; and advanced features of indexed sequential files. Site maintained by the Department of Computer Technology and Programming at Bilkent University.

An answer to a question about indexed file performance issues. Site maintained by Merant.

This brief description of indexed files is hosted by BASIS International, Ltd.

This Merant-maintained site has the answer to this question.

Introductory notes for a course on COBOL examine indexed files. Site managed by the Department of SCIS, University of Limerick, Ireland.

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