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create table tt(col1 number, col2 varchar2(1))
insert into tt
select 1,'t' from dual union all
select 2,'s' from dual union all
select 3,'o' from dual
3 rows affected
select * from tt
| COL1 | COL2 |
|---|---|
| 1 | t |
| 2 | s |
| 3 | o |