```r
# # system("PGPASSWORD=!SECRET! pg_dump -h postgis -U !SECRET! -t local_authorities elections | PGPASSWORD=!SECRET! psql -h postgis -U !SECRET! -d gis_course")
# system("PGPASSWORD=!SECRET! pg_dump -h postgis -U !SECRET! -t sssi_units_england bu | PGPASSWORD=!SECRET! psql -h postgis -U !SECRET! -d gis_course")
# system("PGPASSWORD=!SECRET! pg_dump -h postgis -U !SECRET! -n nat_england bu_data | PGPASSWORD=!SECRET! psql -h postgis -U !SECRET! -d gis_course")
```