See for example http://docs.oracle.com/cd/B19306_01/text.102/b14218/cqoper.htm#i997330, Table 3-1, third row, showing the precedence of '?'. Further down the page, under "Fuzzy" see "Backward Compatibility Syntax".
__________________________________________________________________________________ *Mike Blackwell | Technical Analyst, Distribution Services/Rollout Management | RR Donnelley* 1750 Wallace Ave | St Charles, IL 60174-3401 Office: 630.313.7818 mike.blackw...@rrd.com http://www.rrdonnelley.com <http://www.rrdonnelley.com/> * <mike.blackw...@rrd.com>* On Tue, May 19, 2015 at 12:45 PM, Bruno Harbulot < br...@distributedmatter.net> wrote: > > > On Tue, May 19, 2015 at 6:15 PM, Mike Blackwell <mike.blackw...@rrd.com> > wrote: > >> A Google search suggests Oracle 9.x supports a unary '?' operator (fuzzy >> match), so the use of '?' in an operator name is not without precedent. >> >> > Interesting. Do you have any specific link? I'm probably not using the > right Google search, but the nearest reference I've found is for Oracle 10, > and it seems to use the tilde (~) operator for fuzzy matching: > http://www.oracle.com/technetwork/search/oses/overview/new-query-features-in-10-1-8-2-1-132287.pdf > > Best wishes, > > Bruno. >
