26. The method of claim 1 , wherein the processing further includes: for a plurality of tokens that each include at least one value or fragment of a value in a field or a combination of fields of the received data records, storing, within entries in a search store each associated with at least one respective token of the plurality of tokens, location information identifying at least some of the received data records that correspond to said at least one respective token.
26. The method of claim 1 , wherein the processing further includes: for a plurality of tokens that each include at least one value or fragment of a value in a field or a combination of fields of the received data records, storing, within entries in a search store each associated with at least one respective token of the plurality of tokens, location information identifying at least some of the received data records that correspond to said at least one respective token. 27. The method of claim 26 , the processing further includes: forming one or more search codes, each search code encoding a result of a search for a combination of tokens from multiple entries in the search store.