Yes, you can use RODBC to connect to MS SQL. You can query, issue commands, and save to the db from R and it works very well (at least for me).
For example, with a database named xf, create an ODBC data source and then link open a connection in R: library(RODBC) xf <- odbcConnect("xf", username, password) Then you can issue commands such as those below: go <- sqlQuery(xf, "alter table roger_test alter column name varchar(3) NOT NULL") go <- sqlQuery(xf, "select * from roger_test") sqlSave(xf, val, tablename="roger_test", append=TRUE, rownames=FALSE) HTH, Roger -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of ONKELINX, Thierry Sent: Monday, February 12, 2007 9:36 AM To: Steve Friedman; r-help@stat.math.ethz.ch Subject: Re: [R] Linking R with Microsoft SQL Server / Client Dear Steve, Reading the data shouldn't be a problem with RODBC. I've been doing that plenty of times. I'm not sure about writing, but I suppose you probably will. Cheers, Thierry ------------------------------------------------------------------------ ---- ir. Thierry Onkelinx Instituut voor natuur- en bosonderzoek / Reseach Institute for Nature and Forest Cel biometrie, methodologie en kwaliteitszorg / Section biometrics, methodology and quality assurance Gaverstraat 4 9500 Geraardsbergen Belgium tel. + 32 54/436 185 [EMAIL PROTECTED] www.inbo.be Do not put your faith in what statistics say until you have carefully considered what they do not say. ~William W. Watt A statistical analysis, properly conducted, is a delicate dissection of uncertainties, a surgery of suppositions. ~M.J.Moroney -----Oorspronkelijk bericht----- Van: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Namens Steve Friedman Verzonden: maandag 12 februari 2007 15:15 Aan: r-help@stat.math.ethz.ch Onderwerp: [R] Linking R with Microsoft SQL Server / Client Hello My colleagues and I have recently established a large database (40 tables each with greater than 15 variables) in Microsoft's SQL Server 2000. Currently we are accessing this database via SQL client running an Windows XP. Our objectives are many fold including running SQL applications, outputting results to ARC/INFO IMS, production of summarizing tables - graphs and web interfaces for user accessibility. The project is still very much in a design phase. I'm interested in knowing if we can link R directly to the database as it is either stored in SQL Server, or SQL Client, or if we are better off keeping it simple and extracting ascii (csv) files from SQL server prior to processing summarizing and model development. Any insight provided will be greatly appreciated. Steve -- Steve Friedman Computational Ecology and Visualization Laboratory Michigan State University Envisioning Ecosystem Decisions [[alternative HTML version deleted]] ______________________________________________ R-help@stat.math.ethz.ch 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. ______________________________________________ R-help@stat.math.ethz.ch 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. ********************************************************************** * This message is for the named person's use only. It may contain confidential, proprietary or legally privileged information. No right to confidential or privileged treatment of this message is waived or lost by any error in transmission. If you have received this message in error, please immediately notify the sender by e-mail, delete the message and all copies from your system and destroy any hard copies. You must not, directly or indirectly, use, disclose, distribute, print or copy any part of this message if you are not the intended recipient. ______________________________________________ R-help@stat.math.ethz.ch 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.