Although a product group can override or extend these processes, they get the full range of existing processes by default, without any extra work or maintenance.
虽然产品组可以改写或者扩展这些过程，但不需要任何额外的工作或维护就得到了所有已有的过程。
3
Running a form of Explain (such as Visual Explain, or the Explain statement plus db2exfmt) against your insert will reveal most of the extra processing (but not index maintenance).