examdb=
Table "test.sample1"
Column | Type | Collation | Nullable | Default
--------+-----------------------+-----------+----------+---------
id | integer | | |
name | character varying | | |
tel | character varying(11) | | |
examdb=
no | name | tel
----+------+-------------
1 | 佐藤 | 08012345678
2 | 田中 | 08022345678
3 | 山田 | 08032345678
4 | 佐藤 | 08042345678
(4 rows)
examdb=
id
----
1
2
3
4
(4 rows)
examdb=
id | name | tel
----+------+-------------
1 | 佐藤 | 08012345678
4 | 佐藤 | 08042345678
(2 rows)
examdb=
id | name | tel
----+------+-------------
2 | 田中 | 08022345678
(1 row)
examdb=
id
----
2
(1 row)