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From Serebra Learning Corporation
OS 390 MVS ESA Fundamentals of VSAM Part II
... KSDS. It describes how VSAM manages the space within the data components of the KSDS when it performs additions or deletions. Also covered is the organization and function of an alternate index, how and when an alternate index can be used, and how an alternate index relates to an existing ESDS or KSDS. It describes the role that catalogs play in maintaining and accessing VSAM datasets. It
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OS 390 C Programming
...s from, a KSDS, and how VSAM manages the space within the data component of the KSDS when performing additions or deletions. It also describes the organization and function of an alternate index. The course shows how an alternate index relates to an existing ESDS or KSDS and describes how and when an alternate index can be used. The course explains the role that catalogs play in maintaining and
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