#' @seealso
#'
#' * Chapter in the [mlr3book](https://mlr3book.mlr-org.com/):
#' \url{https://mlr3book.mlr-org.com/chapters/chapter10/advanced_technical_aspects_of_mlr3.html#sec-backends}
#' * Package \CRANpkg{mlr3db} to interface out-of-memory data,
#' e.g. SQL servers or \CRANpkg{duckdb}.
#'
#' @family DataBackend
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