Baize, Harold a écrit : > Tudor Bodea asked: > >> In this context, I try to get all the records for which market is atl-bos, >> competitor is delta and dd is 2007-11-20 (first record above). To do this I >> used > >>> # channel <- odbcConnectAccess("test.mdb") >>> res <- sqlQuery(channel, "select * from test_table where market = 'atl-bos' >>> and competitor = 'delta' and dd = 2007-11-20") > >> Does any of you know what it is going on? > > Try this: > > res <- sqlQuery(channel, "select * from test_table > where market = 'atl-bos'and competitor = 'delta' and dd = {d > '2007-11-20'}") > > Microsoft variant of SQL has an odd date syntax. I tried a dozen things > before > I found what worked.
FWIW : This syntax is *not* MS-Access-specific, but a (relatively) common ODBC syntactic kludge (syntactic vinegar ?). ISTR that I had to use something like this with older versions of unix-ODBC and PostgreSQL ODBC driver. HTH, Emmanuel Charpentier ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.