[Rd] How to connect R to Mysql?
Spencer Graves
spencer.graves at structuremonitoring.com
Fri Sep 17 18:47:13 CEST 2010
Hi, Thomas:
You use RODBC to connect to MySQL?
Thanks, Spencer
On 9/17/2010 9:26 AM, Thomas Etheber wrote:
> I also had problems connecting via RMysql on Windows several weeks ago.
> I decided to skip the package and now use RODBC, which runs stable out
> of the box. Perhaps you should have a look at this package.
>
> Hth
> Thomas
>
> Am 17.09.2010 17:50, schrieb Spencer Graves:
>>
>>
>> I've recently been through that with some success. I don't
>> remember all the details, but I first looked at "help(pac=RMySQL)".
>> This told me that the maintainer was Jeffrey Horner. Google told me
>> he was at Vanderbilt. Eventually I found
>> "http://biostat.mc.vanderbilt.edu/wiki/Main/RMySQL", which told me
>> that I needed to build the package myself so it matches your version
>> of MySQL, operating system, etc. I did that.
>>
>>
>> Does the MySQL database already exist? I created a MySQL
>> database and tables using MySQL server 5.1.50-win32. (Which version
>> of MySQL do you have?)
>>
>>
>> help('RMySQL-package') includes "A typical usage". That helped
>> me get started, except that I needed to write to that database, not
>> just query it. For this, I think I got something like the following
>> to work:
>>
>>
>> d <- dbReadTable(con, "WL")
>> dbWriteTable(con, "WL2", a.data.frame) ## table from a data.frame
>> dbWriteTable(con, "test2", "~/data/test2.csv") ## table from a file
>>
>>
>> Hope this helps.
>> Spencer
>>
>>
>> On 9/17/2010 7:55 AM, Arijeet Mukherjee wrote:
>>> I installed the RMySql package in R 2.11.1 64 bit
>>> Now how can I connect R with MySql?
>>> I am using a windows 7 64 bit version.
>>> Please help ASAP.
>>>
>>
>>
>
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--
Spencer Graves, PE, PhD
President and Chief Operating Officer
Structure Inspection and Monitoring, Inc.
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