These two Table Reader nodes read .table formatted files. .table is a KNIME proprietary format optimized for speed and file size. The first Table reader node on the left reads the file using an absolute path and the standard file:// protocol. The second Table Reader node on the right reads the same file using a relative path and the knime:// protocol.
This is a companion discussion topic for the original entry at https://kni.me/w/Aa06-141abfHETkV