Displaying 20 results from an estimated 200 matches similar to: "RODBC and sqlColumns"
2010 Nov 25
1
RODBC
Hi,
I am running the RODBC examples form the help guide. I am trying to
UPDATE a table in an Access data base but I am having an error.
library(RODBC)
library(termstrc)
path = getwd()
setwd(getwd())
dbName = "data.mdb"
pathdbname = paste(path,"/",dbName,sep="")
accesChannel = odbcConnectAccess(pathdbname, uid = "", pwd = "")
2012 Dec 21
0
segfault reading large BLOB from SQL Server
I am getting segfaults when I try to read a large binary object from a SQL
Server database via RODBC. I am using the FreeTDS ODBC driver, and it has
been working fine when reading from this same database. I have included
relevant parts of the session below.
Each row of the v_MAFiles view holds a text, html or pdf version of a
document. The FileType entry is one of TXT, PDF, or HTML. If
2005 Sep 06
0
Revised shapefiles package
Now available on CRAN is a revised version of the shapefiles package for
reading and writing shapefiles in R. New additions, courtesy of others,
include the ability to convert a simple R data frame of points,
polylines or polygons to a shp format list, which can then be written
out to a shapefile with write.shp. There is also a function to convert
the read.shp shp format list to a simple data
2005 Jan 05
0
zlib
I need to decompress an array of bytes that were compressed using zlib. The
bytes are stored within a binary file. I can seek to the location, read the
length of the compressed byte array, and read the bytes into R. What I need
to do then is decompress the byte array to an array of doubles.
The code looks something like this:
compresslength = readBin(infile, integer(), 1, 4)
data =
2007 Jul 06
2
access to 'formula' terms in a user function
This is probably buried somewhere in the R help archives, but I've been
unable to find it, so perhaps the keywords I use here will help bring the
topic to the surface more easily for future users.
I want to write my own modeling function (ultimately for some
multidimensional windowing - but this question is on scripting basics). For
purposes of figuring out my needs, lets just consider
2008 Sep 17
1
creating horizontal dataframes with column names
Greetings -- in order to write back to SQL databases, one needs to
create a dataframe with values. I can get column names of an existing
table with sqlColumns. Say I have a vector of values (if they're all
the same type), or a list (if different). How do I create a dataframe
with column names given by my sqlColumns? To make it concrete, how do
we make a dataframe
A B C
1 2 3
2007 Nov 07
1
Dealing with schema in RODBC
Is there a way to get a table in a certain schema? The Oracle database I am
using has a table by the same name in two different schemas. This creates
problems in sqlUpdate because to sqlUpdate there are duplicate columns. The
following is part of the output of sqlColumns:
sqlColumns(eids, "TEST_ARTCL_INST")[,1:4]
TABLE_CAT TABLE_SCHEM TABLE_NAME COLUMN_NAME
1
2003 Apr 04
2
sqlSave() Question
All,
I am new in R. I found sqlSave() doesn't work for our Oracle9i. The
following was the message:
> sqlSave(channel, USArrests, rownames="state")
Error in sqlColumns(channel, tablename) : USArrests : table not found on
channel
Check case parameter in odbcConnect
>
sqlQuery() works OK.
Please help. Thanks.
-MY
2001 Mar 12
2
RODBC problems
Hi all.
I'm trying to see how the package Rodbc works, with R 1.2.2, win98 and MySql 3.23.
I'd like to export a dataset with 524 variables and 3440 records form R to MySql. I issued the following commands:
library(RODBC)
channel <- odbcConnect("test")
sqlSave(channel,dat=totale)
Error in sqlTables(channel)[, 3] : incorrect number of dimensions
Actually it gave me other
2008 Jul 23
2
Using RODBC to use SQL queries
Hello,
I am new to the RODBC package, but I have looked over the PDF as well as a few websites that go over the SQL language. I can connect to my database fine using
>channel<-odbcConnect("Oracle ODBC")
# then am prompted to enter my user id and password
After that I'd like to use the odbcQuery function and the SQL statement:
SELECT * FROM table_name WHERE SAMPLE_YEA LIKE
2011 Dec 20
1
RODBC Error: 'getCharCE' must be called on a CHARSXP
I am trying to connect to an internal database and use the sqlQuery command to reduce and retrieve data using the following code:
channel <-odbcConnect("some_dsn", uid="", pwd="")
txt<-'SELECT Date, Region, Price FROM TableXYZ WHERE Type="Domestic"'
sqlQuery(channel, cat(txt,"\n"),errors=TRUE,)
close(channel)
However, I get the
2019 Apr 16
3
PROBLEMAS NOMBRES DE COLUMNAS CON ESPACIOS CONEXION R-SQL
Buenas tardes,
Estoy tratando de realizar un update en SQL desde R:
sqlUpdate(conexion1, data.frame(AUXILIAR), tablename = "AUXILIAR")
y me devuelve el siguiente error:
*Error in sqlUpdate(conexion1, data.frame(AUXILIAR), tablename =
"AUXILIAR", : *
* data frame column(s) Corteoptimo Cortediario not in database table*
El problema es que sí existen esas columnas en SQL pero
2009 Mar 01
1
Temporary tables with Microsoft SQL?
I can create a temp table with MySQL and R DBI[1], but I don't see how
to do the same with Microsoft SQL 2005 and RODBC. R 2.8.1 creates the
table, but then it can never see it. I'm looking to avoid replacing
the convenience functions like sqlSave().
[1] https://stat.ethz.ch/pipermail/r-help/2009-March/190033.html
> library(RODBC)
> channel <-
2003 Feb 11
1
RPgSQL W2K
Hi,
i found tis message in the archive and have
got the same problems ?
John, perhaps you have found now a way
install RPgSQL for windows2000, or anybody other ?
many thanks for advance
christian
[SNIP]
I wonder whether anyone has succeeded in building either the RPgSQL or the
Rdbi.PGSQL and Rdbi packages for Windows. If so, would you be willing to
share either the binary package(s) or
2002 Jul 18
2
RODBC and Excel Files
Hello,
I am trying to play with RODBC library and Excel Files. In my file
(doubs.xls) there are 2 spreadsheets:
> library(RODBC)
> connection<-odbcConnect("Excel Files")
> sqlTables(connection)
TABLE_CAT TABLE_SCHEM TABLE_NAME TABLE_TYPE REMARKS
1 F:\\Th?se\\R\\Doubs NA Faune$ SYSTEM TABLE NA
2 F:\\Th?se\\R\\Doubs NA Milieu$
2007 Mar 07
0
sqlSave help!
Hi Everyone,
I'm so confused. I've been trying to save data to a table but I keep
getting an error that says the table
does not exist and at other times saying that it does. So here are some
statements:
> sqlQuery(channel, "select top 1 * from
> TestDB.[SILICON\\holouis1].clep_tier_shift")
State NB Change_Number
1 IL 2005-02-08 7
It exists and I
2007 Aug 14
4
Import of Access data via RODBC changes column name ("NO" to "Expr1014") and the content of the column
Dear all,
I have some problems with importing data from an Access data base via
RODBC to R. The data base contains several tables, which all are
imported consecutively. One table has a column with column name "NO". If
I run the code attached on the bottom of the mail I get no complain, but
the column name (name of the respective vector of the data.frame) is
"Expr1014" instead
2009 Sep 23
4
Error When Using Postgresql Schema With Realtime Sip
I am using asterisk 1.6.1.6 and have been setting up a system to use a
Postgresql database as the realtime DB via the ODBC route. I have got
extensions and voicemail working but am having trouble with SIP
The problem seems to be with using a schema. If I put the table "sip" in
the schema "foo" then I add this entry to extconfig.conf
sippeers => odbc,psqldb,foo.sip
Restart
2010 Aug 13
0
some helpful tips on using RODBC
Hey everyone,
I don't have a question. Instead some helpful advice with things I've
learned from trying to connect 'R' to databases using RODBC.
ROBDC is a very handy tool that, once you have everything fixed up
nicely, is a great way to have scripts run fairly autonomously, safe in the
knowledge that data isn't accidentally messed up. But I was fairly ignorant
2004 Nov 25
0
Problem with ODBC access to SQL database
I have the following problem in getting the "sqlSave" function from the
example code in the R package RODBC to work with MySQL as ODBC server:
- a new database is created, but no data is written to it
- the example code works just fine when I use MS Access as ODBC server.
----------- offending code and output -------------------
> library(RODBC);
> channel <-