Web02/13/07 - BDAM vs VSAM BDAM datasets with fixed length blocks can be mapped into VSAM with fixed length records providing excellent results. Each fixed length block in BDAM becomes a logical record in VSAM. Any dummy BDAM blocks become empty record slots (if VSAM RRDS is used) and the KEY and DATA portion of the BDAM block can be WebApr 21, 2013 · With BDAM, you have a method to generate the block number and that block contains the data record. There is no key required, you can read the one block of data you need, but the only way to sequentially access the blocks is one by one. It's function, for the most part, has been replaced by RRDS VSAM files. Some vendors still use it.
BDAM – Basic Direct Access Method. – zMainframes
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BDAM vs VSAM - Google Groups
WebBasic Direct Access Method, or BDAM is an access method for IBM's OS/360 and successors computer operating systems on System/360 and later mainframes. BDAM … WebIn direct access (BDAM) files, the application program has to specify the relative block number, the relative track and record (TTR) or the actual physical location (MBBCCHHR) [NB 9] in a Direct-access storage device (DASD) of the data it wanted to access, or the starting point for a search by key. WebEach fixed length block in BDAM becomes a logical record in VSAM. Any dummy BDAM blocks become empty record slots (if VSAM RRDS is used) and the KEY and DATA … short term rentals scottburgh