DBAMNU LOAD

  Load data into one or more database tables. This task uses
  the following sequence of steps:
  - Close database
  - Disable journalling
  - Backup database
  - Open database for exclusive access
  - Drop indices
  - Delete from tables
  - Load data
  - Create indices
  - Enable journalling
  - Backup database
  - Open database for global access

  The following notes indicate which of the above steps are
  executed under which circumstances:

  - If a load procedure is used, the delete from tables and
        load data steps are replaced by the execution of the load
        procedure.
  - If journalling is enabled during the load, the disable jour-
        nalling, drop indices, create indices and enable journalling
        steps are not used.