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Synopsis
The Virtual Storage Access Method (VSAM) represents IBM's most widely used data storage facility. Getting Into VSAM is a self-study manual and technical reference source that comprises a comprehensive and practical introduction to VSAM. The author discusses direct access storage devices, the history of the development of VSAM, VSAM's purposes and benefits, the three different VSAM file types and their similarities to other access methods, how space is allocated and how data is formatted. Chapters also cover how VSAM keeps track of data, the structure of an index record, the structure and function of the VSAM catalog and the many commands available through Access Methods Services (AMS) to mold VSAM to your particular requirements. There is also practical advice on recovering from and preparing against disaster, security of data files and passwords and accessing VSAM through COBOL, PL/1 and the Assembly Language.
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Getting into VSAM: An Introduction and Technical Reference
Seller: George Cross Books, Lexington, MA, U.S.A.
Seller rating 4 out of 5 stars
Paperback. Second ition edition. Good/Wraps (26367) - Trade paperback, good condition, w. somewhat rubbed wraps, marks, lt crease. Lt tanning on r. Ltly bumped corners, some lt edgwr. Ltly tanned p. edges, some lt soil. O/w clean, tight, unmarked. 464. Seller Inventory # 26367
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