connection to a RDBMS.
connect(url, prop={})
same as DriverManager.getConnection(url, prop). returns a new Connection object if connect OK.
createStatement(sql=nil)
If OK, returns a Statement object.
specify sql string to make the Statement object PREPARED.
close closes self and children.
commit commit.
rollback rollback.
autocommit returns if self is "auto commit".
autocommit= sets "auto commit".