By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.
Help with an interesting Postgres question: Why isn't an Index Only Scan used on a partition accessed via the parent table?.
CREATE TABLE
INSERT 0 6
id | firstname | lastname | country |
---|---|---|---|
1 | Raj | Gupta | India |
2 | Raj | Gupta | India |
3 | Mohan | Kumar | USA |
4 | James | Barry | UK |
5 | James | Barry | UK |
6 | James | Barry | UK |
SELECT 6
id |
---|
5 |
6 |
2 |
SELECT 3
DELETE 3
id | firstname | lastname | country |
---|---|---|---|
1 | Raj | Gupta | India |
3 | Mohan | Kumar | USA |
4 | James | Barry | UK |
SELECT 3