Default current_timestamp not null
- Datetime not null default current_timestamp
- Date not null default current_timestamp ()
- Datetime not null default current_timestamp error
- Mysql not null default current_timestamp
- Timestamp not null default current_timestamp postgres
- Postgresql not null default current_timestamp
- Mysql datetime not null default current_timestamp
- Mysql 8 not null default current_timestamp
- Mariadb datetime not null default current_timestamp
- Oracle timestamp not null default current_timestamp
- Db2 not null with default current timestamp