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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.

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)
}