| DBIConnection-class {DBI} | R Documentation |
Base class for all DBMS connection classes. Individual drivers (ODBC, Oracle, PostgreSQL, MySQL, etc.) extend this class in a database-specific manner.
A virtual Class: No objects may be created from it.
Class "DBIObject", directly.
The main generator is dbConnect.
The following methods take objects from classes derived
from DBIConnection:
signature(drv = "DBIConnection"): ... signature(conn = "DBIConnection"): ... Execute SQL commands:
signature(conn = "DBIConnection", statement = "character"): ... signature(conn = "DBIConnection", statement = "character"): ... signature(conn = "DBIConnection"): ... Transaction management:
signature(conn = "DBIConnection"): ... signature(conn = "DBIConnection"): ... Meta-data:
signature(conn = "DBIConnection"): ... signature(dbObj = "DBIConnection"): ... signature(object = "DBIConnection"): ... Exceptions:
signature(conn = "DBIConnection"): ... signature(conn = "DBIConnection", name = "character"): ... Convenience functions:
signature(conn = "DBIConnection"): ... signature(conn = "DBIConnection", name = "character"): ... signature(conn = "DBIConnection", name = "character"): ... signature(conn = "DBIConnection", name = "character"): ... signature(conn = "DBIConnection", name = "character", value = "data.frame"): ... R-SIG-DB
See the Database Interface definition document
DBI.pdf in the base directory of this package
or http://developer.r-project.org/db.
DBI classes:
DBIObject-class
DBIDriver-class
DBIConnection-class
DBIResult-class
## Not run:
ora <- dbDriver("Oracle")
con <- dbConnect(ora, "user/password@dbname")
pg <- dbDriver("PostgreSQL")
con <- dbConnect(pg, "user", "password")
## End(Not run)