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Instructions on how to install ROracle for R on Windows.
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install ROracle on Windows.md

Download binary from oracle: http://www.oracle.com/technetwork/database/database-technologies/r/roracle/downloads/index.html

The run the following command in r, substituting the file path:

setwd('xxxxx')   # set to path of download
install.packages('ROracle_1.1-11.zip', repos = NULL)

Then load the library and use the package - you may have to change XXXX to whatever is in your TNS Names:

library('ROracle')
drv <- dbDriver("Oracle")
# NOTE: never store passwords in a saved script!!
con <- dbConnect(drv, "USER GOES HERE", "PASSWORD GOES HERE", dbname='XXX')

test connection:

dbReadTable(con, 'DUAL')
@baconrpatrick
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Your instructions are very clear and easy to follow. Thanks

@gmonteeiro
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Installing Oracle Client on my computer fixed this issue.

@adc91
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adc91 commented Mar 18, 2018

@gmonteeiro just that you had to install it or did you need some extra configuration? Because it still does not work :(

@siddhesh1991
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ROracle is not working with new version 3.5.0. Do you know why ?

@ofaakye
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ofaakye commented May 3, 2018

@siddhesh1991 ROracle is not working for as well on the new R 3.5.0. Did you find any solutions?

@tlorusso
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tlorusso commented Jun 6, 2018

Same here. I've just installed R 3.5.0 - and i get an error when loading the package:

Error: package or namespace load failed for ‘ROracle’:
 package ‘ROracle’ was installed by an R version with different internals; it needs to be reinstalled for use with this R version

Has anyone found a solution to this?

@siddhesh1991
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library('ROracle')
Loading required package: DBI Error: package or namespace load failed for ‘ROracle’: package ‘ROracle’ was installed by an R version with different internals; it needs to be reinstalled for use with this R version

R version 3.5.0 (2018-04-23) -- "Joy in Playing"

ROracle is not working with the new version of R, Can anyone help ?

@turingDH
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We looked everywhere for a solution, to no avail...had to roll back to 3.4. Thanks Larry E 👎

@jssasan
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jssasan commented Oct 15, 2018

Hello,

I had similar error. Here are few things that I have done to make it work successfully on windows X-64 machine.

  1. Downloaded Oracle instant client and unzipped it (copy its path). Then added a new variable in the existing Path variable (under System Variables), paste this path here.
  2. Uninstalled all R versions.
  3. Reinstalled R (Version R-3.5.1)
  4. Downloaded ROracle package (ROracle_1.3-1.zip) from https://www.oracle.com/technetwork/database/database-technologies/r/roracle/downloads/index.html . Save the downloaded zip file
  5. Open RStudio (or whatever you use) and run the below:
install.packages("C:\\Users\\username\\Desktop\\Software\\R\\ROracle_1.3-1.zip")   
library("ROracle")

Then ROracle got installed correctly. Make sure you are installing the downloaded package from step-3

Let me know if it still doesn't work. Happy to help!

@codrin-kruijne
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Hi @jssasan, when following your steps I get the following error:

Warning in install.packages : package ‘C:\Users\codrin_kruijne\Documents\ROracle\ROracle_1.3-1.zip’ is not available (for R version 3.5.1)

so I set the repos to NULL:

install.packages("C:\\Users\\codrin_kruijne\\Documents\\ROracle\\ROracle_1.3-1.zip", repos = NULL) Installing package into ‘C:/Users/codrin_kruijne/Documents/R/win-library/3.5’ (as ‘lib’ is unspecified) package ‘ROracle’ successfully unpacked and MD5 sums checked

but when I try to load it I get the following error:

library(ROracle) Loading required package: DBI Error: package or namespace load failed for ‘ROracle’: package ‘ROracle’ was installed by an R version with different internals; it needs to be reinstalled for use with this R version

so I downloaded RTools to recompile it from the source on CRAN:

install.packages("ROracle")
Installing package into ‘C:/Users/codrin_kruijne/Documents/R/win-library/3.5’
(as ‘lib’ is unspecified)
Package which is only available in source form, and may need compilation of
  C/C++/Fortran: ‘ROracle’
installing the source package ‘ROracle’

trying URL 'https://cran.rstudio.com/src/contrib/ROracle_1.3-1.tar.gz'
Content type 'application/x-gzip' length 308252 bytes (301 KB)
downloaded 301 KB

* installing *source* package 'ROracle' ...
** package 'ROracle' successfully unpacked and MD5 sums checked
Oracle Client Shared Library 64-bit - 18.3.0.0.0 Operating in Instant Client mode.
found Oracle Client C:\Users\codrin_kruijne\Documents\ROracle\instantclient_18_3
found Oracle Client include C:\Users\codrin_kruijne\Documents\ROracle\instantclient_18_3\sdk\include
copying from C:\Users\codrin_kruijne\Documents\ROracle\instantclient_18_3\sdk\include
** libs
Warning: this package has a non-empty 'configure.win' file,
so building only the main architecture

C:/Rtools/mingw_64/bin/gcc  -I"C:/PROGRA~1/R/R-35~1.1/include" -DNDEBUG -I./oci         -O2 -Wall  -std=gnu99 -mtune=generic -c rodbi.c -o rodbi.o
In file included from rooci.h:75:0,
                 from rodbi.c:181:
./oci/oci.h:716:20: fatal error: ociver.h: No such file or directory
 #include <ociver.h>
                    ^
compilation terminated.
make: *** [C:/PROGRA~1/R/R-35~1.1/etc/x64/Makeconf:208: rodbi.o] Error 1
ERROR: compilation failed for package 'ROracle'
* removing 'C:/Users/codrin_kruijne/Documents/R/win-library/3.5/ROracle'
* restoring previous 'C:/Users/codrin_kruijne/Documents/R/win-library/3.5/ROracle'
In R CMD INSTALL
Warning in install.packages :
  installation of package ‘ROracle’ had non-zero exit status

The downloaded source packages are in
	‘C:\Users\codrin_kruijne\AppData\Local\Temp\Rtmpi0YaXx\downloaded_packages’

Can you help? Thanks!

@AlbertoCamposSilva
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Installation of ROracle is a bit tricky.

  1. Download ROracle package on your PC: https://www.oracle.com/database/technologies/roracle-downloads.html
    Download the tar.gz package!

  2. Access the INSTALL file on ROracle sub-directory and follow the instructions. The installation differs if you have or not Oracle installed on your machine.

Good instructions in: # https://medium.com/analytics-vidhya/how-to-install-roracle-on-windows-10-144b0b923dac

IMPORTANT

ROracle can't be directly installed on R4+

So, download ROracle package on your PC: https://www.oracle.com/database/technologies/roracle-downloads.html
Download the tar.gz package!

Install it on your RStudio with the following command:

install.packages('C:\Downloads\ROracle_1.3-2.tar.gz', repos = NULL, type="source")

Don't forget to correct the directory in which you've downloaded the file. This will recompile your package to version 4 of R.

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