config root man

DROP TABLE IF EXISTS t1,t2,t3;
DROP VIEW IF EXISTS v1,v2,v3;
create table t1 (a int, b int, c int, d int) engine=ndb;
insert into t1 values (1,2,3,4),(5,6,7,8);
create view v1 as select t1.c as a, t1.a as b, t1.d as c, t1.a+t1.b+t1.c as d from t1;
select * from v1 order by a,b,c;
a	b	c	d
3	1	4	6
7	5	8	18
update v1 set a=a+100 where b=1;
select * from v1 order by a,b,c;
a	b	c	d
7	5	8	18
103	1	4	106
drop view v1;
create view v1 as select t1.c as a from t1;
insert into v1 values (200);
select * from t1 order by a,b,c,d;
a	b	c	d
NULL	NULL	200	NULL
1	2	103	4
5	6	7	8
drop view v1;
drop table t1;