[R] Package for converting R datasets into SQL Server (create table and insert statements)?
Spencer Graves
spencer.graves at structuremonitoring.com
Sat Oct 9 16:11:12 CEST 2010
Have you considered the DBI and RODBC packages? I'm trying to
do something like this myself right now, and a post of my own (to
R-SIG-DB) produced recommendations for these two packages. Both have
vignettes.
Hope this helps.
Spencer
On 10/9/2010 6:52 AM, Michael Bedward wrote:
> Package RSQLite has a dbBuildTableDefinition that creates the CREATE
> TABLE statement for a given a data.frame. I think other db related
> packages for MySQL and PostgreSQL also have such a function.
>
> Michael
>
>
> On 10 October 2010 00:39, Gabor Grothendieck<ggrothendieck at gmail.com> wrote:
>> On Sat, Oct 9, 2010 at 9:02 AM, johannes rara<johannesraja at gmail.com> wrote:
>>> Thanks, but I'm not looking for a function to save dataframes into a
>>> RDBMS. I'm looking for a function which creates CREATE TABLE and
>>> INSERT statements from a dataframe.
>>>
>> If the reason you want that is so you can manipulate R data frames in
>> SQL then the sqldf package does that. There are no create statements
>> to issue and no insert statements to issue (although you can). The
>> database is automatically created, the create and insert statements
>> are automatically generated and executed, your SQL statement is run,
>> the result is automatically retrieved and the database is
>> automatically destroyed afterwards. You just specify a select or
>> other sql statement with the data frame name(s) replacing the table
>> name(s). It works with built-in data frames that ship with R and with
>> data frames you create yourself. See http://sqldf.googlecode.com for
>> more.
>>
>> --
>> Statistics& Software Consulting
>> GKX Group, GKX Associates Inc.
>> tel: 1-877-GKX-GROUP
>> email: ggrothendieck at gmail.com
>>
>> ______________________________________________
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>> and provide commented, minimal, self-contained, reproducible code.
>>
> ______________________________________________
> R-help at 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.
>
>
--
Spencer Graves, PE, PhD
President and Chief Operating Officer
Structure Inspection and Monitoring, Inc.
751 Emerson Ct.
San José, CA 95126
ph: 408-655-4567
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