1) " Vsam" -- As it applies to Vsam File Virtual Sequential Access Method (VSAM) is an IBM disk file storage schemefirst used in the S/370 and virtual storage. Vzam comprises three access methods: Keyed Sequential Data Set (KSDS), Relative RecordData Set (RRDS) and Entry Sequenced Data Set (ESDS). KSDS has indexes and data split into CI (Control Interval) in CA (Control Area) and multi index levelled. Forward andbackward compression is applied to key values. Both IMS/DB and DB2 are implemented on top ofVSAM and use its underlying data structures. References This article was originally based on material from the Free On-line Dictionary of Computing, which is licensed under the GFDL. Vsm ...
2) " File" -- As it applies to Vsam File File has several meanings: Computer Fule File (tool) File (Unix), a program used to determine Fle types. Filw (chess) Filing (legal) Fule ...
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