How do I find the last time that a PostgreSQL database has been updated?

Question

I am working with a postgreSQL database that gets updated in batches. I need to know when the last time that the database (or a table in the database)has been updated or modifie

Answer 1

See the following article:

MySQL versus PostgreSQL: Adding a 'Last Modified Time' Column to a Table http://www.pointbeing.net/weblog/2008/03/mysql-versus-postgresql-adding-a-last-modified-column-to-a-table.html