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Sorry for this lame question, but I really am a database newbie:
I want to store the date when I create a certain field on the database. Is there any attribute I can add to that date field so that it cannot be modified? I just want the date field to have the date when a field is created on never want to edit it.
I am using PostgreSQL.
Thanks.
There is no way to actually do this; however, if you want to make this occur you would perform a trigger on update for that specific table.field and throw a DBMS error. There might be a more elegant way to do this; but this is all I can think of to protect a specific value once it has been written.