A software routine that is part of the operating system or network control program which performs the storing/retrieving or transmitting/receiving of data. The access method is also responsible for ...
A physical database is defined to IMS-DL/I in one DBD, which is described later in this section. A physical database is limited to 15 hierarchical levels and 255 segment types (up to 254 dependent ...
Organizing data in a prescribed ascending or descending sequence. Searching sequential data requires reading and comparing each record, starting from the top or bottom of file. See GSAM. THIS ...
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