odbcClose | R Documentation |
Close connections to ODBC databases.
odbcClose(channel)
## S3 method for class 'RODBC'
close(con, ...)
odbcCloseAll()
channel, con |
RODBC connection object as returned by
|
... |
additional arguments passed from the generic. |
odbcClose
cleans up and frees resources. It is also the method for the
generic function close
.
odbcCloseAll
closes all open channels (amongst the first 1000
used in the session).
Channels are closed at the end of an R session, and may also be closed by garbage collection if no object refers to them. In both cases a warning is given (but may not be seen at the end of a console session).
Function odbcClose
returns a logical indicating if it
succeeded, invisibly unless a warning is given.
The close
method returns 0
(success) or 1
, invisibly.
Michael Lapsley and Brian Ripley
odbcConnect
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