This graphic depicts the relationship between logical and physical storage structures in crow's feet notation. In the Logical column on the left are Tablespace, Segment, Extent, and Oracle data block. Each type has a one-to-many relationship with the type below it. In the Physical column on the right are Datafile and OS block. Tablespace has a one-to-many relationship with Datafile. Oracle data block has a one-to-many relationship with OS block. Datafile has a one-to-many relationship with extent.

End of description