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Definition of "Access Path" |
An access path describes the order in which the rows are retrieved from a database file. If the rows in the file are accessed in a physical sequence, that is known as an arrival sequence access path. If the rows need to be processed in an ordered manner, then a keyed access path is needed to sort the data in the specified order. With DB2 for iSeries, keyed access paths are supplied to DB2 by creating a keyed logical file, keyed physical file, or SQL index. |
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