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create table t (a int primary key not null);
insert into t (a) values (123), (456);
2 rows affected
alter table t add is_new int default 1;
update t set is_new = 0;
2 rows affected
create view v as select a from t;
select * from v;
| a |
|---|
| 123 |
| 456 |
insert into v (a) values (789), (444);
2 rows affected
select * from t where is_new = 1;
| a | is_new |
|---|---|
| 444 | 1 |
| 789 | 1 |