In some embodiments, the series of indices are created over a column that is typically searched using the LIKE predicate or some similar technique; these indices indicate for each record whether certain sub strings may exist in {HEAD ~ that records value} in {TAIL ~ the column} 
in
In some embodiments , the series of indices are created over a column that is typically searched using the LIKE predicate or some similar technique ; these indices indicate for each record whether certain sub strings may exist in { HEAD ~ that records value } in { TAIL ~ the column }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL