재익님은 아니지만...
=> create table test (number int);
=> select * from test;
number
--------
1
2
3
(3 rows)
=> create table temp as select to_char(number, '999') from test;
SELECT
=> \d temp
Table "temp"
Attribute | Type | Modifier
-----------+------+----------
to_char | text |
그럼... 총총~~
|