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create table mytable (
startdate datetime not null,
noofdays int not null,
enddate datetime as (startdate + interval noofdays day)
)
insert into mytable (startdate, noofdays) values(now(), 3);
select * from mytable;
| startdate | noofdays | enddate |
|---|---|---|
| 2023-07-17 10:45:58 | 3 | 2023-07-20 10:45:58 |