dm_from_src() creates a dm from some or all tables in a src
(a database or an environment) or which are accessible via a DBI-Connection.
For Postgres and SQL Server databases, primary and foreign keys
are imported from the database.
A character vector of the names of the tables to include.
...
experimental
Additional parameters for the schema learning query.
Currently supports schema (default: "public")
and table_type (default: "BASE TABLE") for Postgres databases.