sql - Is it possible to update a Sybase datetime column that defaults to current time? -


a sybase table column called "update_time" datetime type , defaults current time whenever row updated. however, want update "update_time" of row time in past, keeps putting current time. possible make kind of change?

the query i'm using try update:

update table set update_time = '09-21-2015 12:00:00.000 pm' id=1;

after run this, update_time row goes current time when run query, not actual time in query.


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