How to Set Last Updated Time Automatically?

[Gene Qian <ge...@hotmail.com>]

Hi,

I have a persistent field, say, lastUpdated(column is 
LAST_UPDATED_DATETIME), which is used to store last updated time of the db 
record. My question is: Can we use OBJ automatically set and store the field 
with right datetime when the persistent object was stored to DB with any 
field value changed? If so, how to do?

Any comments will be appreciated.

Gene

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