oracle connect实例
1:
select date '2010-5-1' + level,
trunc(dbms_random.value * 1000),
'book1',
level,
100 * level
from dual
connect by level < 10000;
2:
select date '2010-5-1' + rownum,
trunc(dbms_random.value * 1000),
'book1',
rownum,
100 * rownum
from dual
connect by rownum < 10000