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Introduction to Hash Tables
www.sas.comhash object. A non-zero value is returned if the next item cannot be retrieved. •Use iteratively to traverse the hash object and return the data items in key order. If first has not been called, next begins with the first item. •rc = iterobj.prev(); •Copies the data for the previous item in the hash object into the data variables for the ...
Introduction to SAS® Hash Objects
support.sas.comsearching algorithm…" (Dorfman, 2001, p. 1). He demonstrated that in-memory table look-ups (or, direct address searches) could be programmed by hand in order to do the types of in-memory searches performed by the modern hash object. He described three such methods—key-indexed search, array as a bitmap, and hashing—that all have