This virtual class encapsulates the connection to a DBMS, and it provides access to dynamic queries, result sets, DBMS session management (transactions), etc.
Implementation note
Individual drivers are free to implement single or multiple simultaneous connections.
See also
Other DBI classes:
DBIConnector-class,
DBIDriver-class,
DBIObject-class,
DBIResult-class,
DBIResultArrow-class
Other DBIConnection generics:
dbAppendTable(),
dbAppendTableArrow(),
dbCreateTable(),
dbCreateTableArrow(),
dbDataType(),
dbDisconnect(),
dbExecute(),
dbExistsTable(),
dbGetException(),
dbGetInfo(),
dbGetQuery(),
dbGetQueryArrow(),
dbIsReadOnly(),
dbIsValid(),
dbListFields(),
dbListObjects(),
dbListResults(),
dbListTables(),
dbQuoteIdentifier(),
dbReadTable(),
dbReadTableArrow(),
dbRemoveTable(),
dbSendQuery(),
dbSendQueryArrow(),
dbSendStatement(),
dbUnquoteIdentifier(),
dbWriteTable(),
dbWriteTableArrow()
Examples
con <- dbConnect(RSQLite::SQLite(), ":memory:")
con
#> <SQLiteConnection>
#> Path: :memory:
#> Extensions: TRUE
dbDisconnect(con)
if (FALSE) {
con <- dbConnect(RPostgreSQL::PostgreSQL(), "username", "password")
con
dbDisconnect(con)
}