This graphic shows three tablespaces: TBS1, which contains data files DBF1 and DBF2; TBS2, which contains data files DBF3 and DBF4; and TBS3, which contains data files DBF5 and DBF6. Tablespaces TBS1 and TBS2 point to Shadow Tablespace. The arrows are labeled “Track Tablespace’s Data files.” Data file DBF6 points to Shadow Tablespace. The arrow is labeled “Track Data File.”