The Data Management Structure: Components and the data structure
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The Data Management Structure: COMPONENTS OF THE DATA STRUCTURE. * DEVICE and DATA FILES: Data sets are objects too. The data base(s) on the AS/400 are divided into so called physical FILES, for want of a better word. Data FILES can be broken MEMBERS for management purposes, but this is not necessary. Typically, if u have more than one type of record in a dataset, you put one type in one file member and another in the other file member in order to keep track of them. "Physical" here means real, live data. This definition is important, because in the AS/400 literature the word FILE is used for many different things. It is a generic word meaning format: The description on the fields of data in a recorder is called a record format, but the congregation of this records-not the data, but the type of format for it-is called a PHYSICAL FILE. Then...

