On Wed, 2003-03-26 at 11:34, Jason Hihn wrote:
> Is there a way to make a record read-only for months or years? My intent is
> that after a cutoff (a program can run making rows r/o) existing records can
> no longer be modified without unlocking first. User security is
> insufficient, since that only applies to tables. I'd rather not have to
> maintain a R/O flag (or date) in code, because it relies on correct,
> voluntary implementation every time. I'd like something more enforceable
> then that, and that has me looking to the DBMS
Create a rule or trigger on the table to check the age of a date column
and then either disregard or allow updates.
Robert Treat
