December 2002
Intermediate to advanced
292 pages
6h 6m
English
Content preview from DB2 Recovery Expert for Multiplatforms
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Chapter 5. Log analysis 81
may have a TIMESTAMP column, and the trigger may use the CURRENT
TIMESTAMP special register to insert a value into this column. When running
undo or Redo SQL, the row inserted by the trigger will not have the original
timestamp associated but rather the timestamp at the time the Redo SQL file was
run. In this case it is probably better to drop the trigger while processing the Redo
SQL file and recreate it afterwards.
Different results
Another thing that you should be aware of when processing undo/redo files on
tables with triggers, is the following. A table can have a trigger defined when a
row is inserted, but no trigger when a row is deleted, or have a totally different
action defined for the insert trigger tha ...
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