Both file formats allow multiple keys to access data records and duplicate key values for specified keys. You can access records by various keys using constructs within the programming language. You can also use KSAM intrinsics to access records in various sequences.
Record retrieval can be by direct match of specific key value, by generic (or partial) key value, or by approximate match. Access of data records by physical record location may or may not match the primary key sequence, depending upon the order in which records were initially loaded.
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