Re: Problems with question marks in operators (JDBC, ECPG, ...)

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От Mike Blackwell
Тема Re: Problems with question marks in operators (JDBC, ECPG, ...)
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Msg-id CANPAkguKzWRn-WNDqLJ3dR0YE6TQdXxOaq9ujRBna1DTCMsUZw@mail.gmail.com
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Ответ на Re: Problems with question marks in operators (JDBC, ECPG, ...)  (Bruno Harbulot <bruno@distributedmatter.net>)
Ответы Re: Problems with question marks in operators (JDBC, ECPG, ...)  (Tom Lane <tgl@sss.pgh.pa.us>)
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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".


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Mike Blackwell | Technical Analyst, Distribution Services/Rollout Management | RR Donnelley
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On Tue, May 19, 2015 at 12:45 PM, Bruno Harbulot <bruno@distributedmatter.net> wrote:


On Tue, May 19, 2015 at 6:15 PM, Mike Blackwell <mike.blackwell@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.

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