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Yappy2bhere (talk | contribs) Cite source for data set types; terms should be lowercase and hyphenated, per cited source |
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The Access Method Services utility program [[IBM mainframe utility programs#IDCAMS|IDCAMS]] is commonly used to manipulate ("delete and define") VSAM data sets. Custom programs can access VSAM datasets through Data Definition (DD) statements in [[Job Control Language]] (JCL), via dynamic allocation or in online regions such as in [[CICS|Customer Information Control System]] (CICS).
Both [[IMS/DB]]{{fact|date=April 2021}} and [[IBM DB2|DB2]]<ref name="demystified"/>{{rp|41}}<ref>{{cite web
|url=https://www-01.ibm.com/servers/resourcelink/svc00100.nsf/pages/izodav110sc279034/%24file/azk1b100.pdf
|title=User's Guide}}</ref> are implemented on top of VSAM and use its underlying [[data structure]]s.
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