[R] Query an Access database based on a date attribute (Tudor Bodea)

[Baize, Harold]

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.  

Harold Baize, PhD
Butte County Department of Behavioral Health
Chico, CA  USA