Access method: Difference between revisions

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correct redbook title
IMS "access methods"
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* [[Telecommunications Access Method|TCAM]] <!-- the acronym links to other topic --> - [[Telecommunications access method]]
* [[VTAM]] - [[Virtual telecommunications access method]]
 
==IMS==
The [[IBM Information Management System]] (IMS) uses the term "access method" to refer to its methods for manipulating "segments in a database record." These are: Generalized Sequential Access Method (GSAM), Hierarchical Direct Access Method (HDAM), Hierarchical Indexed Direct Access Method (HIDAM), Hierarchical Indexed Sequential Access Method (HISAM), Hierarchical Sequential Access Method (HSAM), Partitioned Hierarchical Direct Access Method (PHDAM), Partitioned Hierarchical Indexed Direct Access Method (PHIDAM), Partitioned Secondary Index (PSIMDEX), Simple Hierarchical Sequential Access Method (SHSAM), and Simple Hierarchical Indexed Sequential Access Method (SHISAM).<ref>{{cite web|last=IBM Corporation|title=Types of IMS databases|url=http://publib.boulder.ibm.com/infocenter/dzichelp/v2r2/index.jsp?topic=%2Fcom.ibm.ims11.doc.dag%2Fims_dbtypes.htm|accessdate=September 4, 2011}}</ref> This is a different use of the term from the other access methods mentioned in this article.
 
== Modern implementations ==