this might be useful for u .. I took it from DB2 util guide
Tells whether records are to be loaded into an empty or non-empty table
space. For nonsegmented table spaces, space occupied by rows that have
been marked as deleted or by rows of dropped tables is not reused.
Attention: Specifying LOAD RESUME (rather than PART integer
RESUME) tells LOAD to drain the table space, which can inhibit concurrent
processing of separate partitions. If you want to process other partitions
concurrently, use “Into-table-spec” on page 176 to specify PART integer
Loads records into an empty table space. If the table space is not
empty, and you have not used REPLACE, a message is issued and the
utility job step terminates with a job step condition code of 8.
For nonsegmented table spaces containing deleted rows or rows of
dropped tables, using the REPLACE keyword provides increased
The default is NO, unless you override it with PART integer RESUME
Loads records into a non-empty table space. If the table space is
empty, a warning message is issued, but the table space is loaded.
Loading begins at the current end of data in the table space. Space
occupied by rows marked as deleted or by rows of dropped tables is