In MySQL, we can execute this where it updates the column changetimestamp every time the row is changed: create table ab ( id int, changetimestamp timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP ); Is there something similar to do the above in PostgreSQL?
![Update timestamp when row is updated in PostgreSQL](https://cdn-ak-scissors.b.st-hatena.com/image/square/98d6f053a97a87156775f60757c60865d0f2c47d/height=288;version=1;width=512/https%3A%2F%2Fcdn.sstatic.net%2FSites%2Fstackoverflow%2FImg%2Fapple-touch-icon%402.png%3Fv%3D73d79a89bded)