– Will deleting a field delete the corresponding wp_post item of type acf-field?
Yes
– Will deleting a field group delete the corresponding wp_post item of type acf-field-group?
Yes, an it will also delete all of the fields in that field group
– In a scenario in which ACF is no longer used, deleting all wp_postmeta with values field_* should help tidy things up, right?
This will only delete the field key references and not the field data
– If I want to delete all the blank postmeta records that have been saved, I should select them with SELECT * FROMwpcxt_postmetaWHEREmeta_keyIS NOT NULL ANDmeta_value= ” and delete, right?
Yes, this would delete all of the entries with empty values.
