create global temporary table tmp_table1
(
x number
) on commit delete rows ;
-- 会话级临时表：会话结束时删除数据
create global temporary table tmp_table2
(
x number
) on commit preserve rows ;
insert into tmp_table1
values(1);
insert into tmp_table1
values(2);
insert into tmp_table1
values(3);
insert into tmp_table2
values(1);
insert into tmp_table2
values(2);
insert into tmp_table2
values(3);
select * from tmp_table1 ;
X
1
2
3
select * from tmp_table2 ;
X
1
2
3
commit;
select * from tmp_table1 ;
-- 无结果输出
select * from tmp_table2 ;
X
1
2
3
SQL> conn / as sysdba;
SQL> select * from user01.tmp_table1 ;
-- 无结果输出
SQL> select * from user01.tmp_table2 ;
-- 无结果输出
