Updated_at timestamp default current_timestamp on update current_timestamp
- Updated_at timestamp not null default current_timestamp on update current_timestamp
- Timestamp default current_timestamp on update current_timestamp
- Postgresql timestamp default current_timestamp on update current_timestamp
- Mysql timestamp default current_timestamp on update current_timestamp
- Timestamp not null default current_timestamp on update current_timestamp
- Oracle timestamp default current_timestamp on update current_timestamp
- Reg_date timestamp default current_timestamp on update current_timestamp
- Timestamp null default current_timestamp on update current_timestamp
- Mysql timestamp not null default current_timestamp on update current_timestamp