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In SAS Version 9.1, the hash table - the very first object introduced via the Data Step Component Interface in Version 9.0 - has become robust and syntactically stable. The philosophy and application style of the hash objects differs quite radically from any other structure ever used in the Data step previously. The most notable departure from the tradition is their run-time nature. The hash objects are instantiated and/or deleted and acquire memory, if necessary, at the run-time. It is intuitively clear that such traits should make for very interesting and flexible programming having not seen in the Data step code of yore.

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Format:PDFSize:88 KB
Date:Feb 2006
Pages:21

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