onunload and onload Utilities
You can use the onunload and onload utilities to unload and load an entire table.
If you want to unload selected columns of a table, you must use either the UNLOAD statement or the HPL.
If you want to unload selected columns of a table, you must use the UNLOAD statement.
Restriction: You can only use the onunload and onload utilities
in identical (homogeneous) environments.
If you use the onload utility while replication is active, you must synchronize the data after you finish loading the data.