search for: dbremovetable

Displaying 7 results from an estimated 7 matches for "dbremovetable".

2008 Sep 11
2
database table merging tips with R
...gt; > > >Actually, based on my reading of the DBI reference, you should be able >to do the following to create a table (although possibly not temporary): > > dbWriteTable(connection, "r_user_ids", r) > >Then you can use the following to drop the table: > > dbRemoveTable(connection, "r_user_ids") > >Of course, I don't know whether the ODBC driver implements these >functions or not. (Is 'RODBC' built on DBI? Looks like Aaron and I >have been assuming that.) > >Coey > > > -Aaron > > > > On Thu, Sep 11, 2...
2012 Nov 06
0
How to read all table in r using dbreadTable, autimatically read in whenever I save new table in SQLite db
...the following query to read table individually, how can I read all tables autimatically rather than typing "week42" "week33" in dbReadTable? library(RSQLite) library(sqldf) drv <- dbDriver("SQLite") con<-dbConnect(drv, "sqlite.db") dbListTables(con) #dbRemoveTable(con, "week39") dbDisconnect(con) week42<- dbReadTable(con, "week_42") week33<- dbReadTable(con, "week33") week30<- dbReadTable(con, "week30") Another one is if I save new table in sqlite db, I hope R programs can autimatically read in the new ta...
2007 Mar 20
1
RMySQL load error
..."dbGetQuery" [1] "dbGetException" [1] "dbGetInfo" [1] "dbListResults" [1] "summary" [1] "dbListTables" [1] "dbReadTable" [1] "dbWriteTable" [1] "dbWriteTable" [1] "dbExistsTable" [1] "dbRemoveTable" [1] "dbListFields" [1] "dbCommit" [1] "dbRollback" [1] "dbCallProc" [1] "MySQLResult" [1] "dbClearResult" [1] "fetch" [1] "fetch" [1] "dbGetInfo" [1] "dbGetStatement" [1] "dbLis...
2003 Nov 11
0
Installing and Loading RMySQL on OS X 2.8
...t" [1] "dbSendQuery" [1] "dbGetQuery" [1] "dbGetException" [1] "dbGetInfo" [1] "dbListResults" [1] "summary" [1] "dbListTables" [1] "dbReadTable" [1] "dbWriteTable" [1] "dbExistsTable" [1] "dbRemoveTable" [1] "dbListFields" [1] "dbCommit" [1] "dbRollback" [1] "dbCallProc" [1] "MySQLResult" [1] "dbClearResult" [1] "fetch" [1] "fetch" [1] "dbGetInfo" [1] "dbGetStatement" [1] "dbListFields&quo...
2005 Mar 09
1
RMySQL installed but not availalable
...;dbGetQuery" > [1] "dbGetException" > [1] "dbGetInfo" > [1] "dbListResults" > [1] "summary" > [1] "dbListTables" > [1] "dbReadTable" > [1] "dbWriteTable" > [1] "dbExistsTable" > [1] "dbRemoveTable" > [1] "dbListFields" > [1] "dbCommit" > [1] "dbRollback" > [1] "dbCallProc" > [1] "MySQLResult" > [1] "dbClearResult" > [1] "fetch" > [1] "fetch" > [1] "dbGetInfo" > [1] &qu...
2005 Oct 27
2
RSQLite problems
Hi, I'm experimenting with using (R)SQLite to do data management. Here are two little problems that I've encountered: 1. The presence of ',' in string values causes trouble since ',' is also the delimiter used in the SQL statement. 2. A newline '\n' line attached to the last string value of each row. Some examples: > library (RSQLite) Loading required
2002 Oct 16
5
Database newbee problem...
Hi all, This is a potentially very stupid question about MySQL <-> R interaction, but I have not been able to solve it. I'm just trying to connect R to my MySQL databse, and gets this: > library(RMySQL) Loading required package: methods > m <- dbDriver("MySQL") > con <- dbConnect(m,group="testdb") Process R segmentation fault at Wed Oct 16 07:04:30