Entry-sequenced data set
Template:Short description Script error: No such module "Unsubst". Script error: No such module "Unsubst". An entry-sequenced data set (ESDS) is a type of data set used by IBM's VSAM computer data storage system.[1]Template:Rp Records are accessed based on their sequential order, that is, the order in which they were written to the file; which means that accessing a particular record involves searching all the records sequentially until it is located, or by using a relative physical address (Relative byte address, RBA), i.e. the number of bytes from the beginning of the file to start reading.[1]Template:Rp
Keys may be used to access records in an ESDS by defining an alternate index.[1]Template:Rp
See also
References
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