Vsam arranges records by an index key , relative record number , or relative byte addressing Vsam通過(guò)一個(gè)索引鍵值,相關(guān)記錄號(hào)或者相關(guān)字節(jié)地址來(lái)組織記錄。
百科解釋
Byte addressing refers to hardware architectures which support accessing individual bytes of data rather than only larger units called words, which would be word-addressable.