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What is Entry Sequenced Data Set mean?
An entry-sequenced data set (ESDS) is a type of data set used by IBM's VSAM computer data storage system.: 5 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.: 28
Keys may be used to access records in an ESDS by defining an alternate index.: 15
referencePosted on 09 Nov 2024, this text provides information on Miscellaneous in Computing related to Computing. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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