sql table to store status

1CREATE TABLE status
2(
3  id integer PRIMARY KEY,
4  name TEXT NOT NULL,
5  next_status Integer references status
6);
7
8insert into status(id, name, next_status)
9values 
10(1,'init', 2),
11(2,'waiting ror price approve', 3),
12(3,'sent', 4),
13(4,'accepted', 5),
14(5,'finished', null);
15