对于以下查询，我期望值从 1 到 899 列出。但它只返回从 1 到 667 的值。有人可以帮我找出原因吗
select rownum from all_tables where rownum <900
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4 回答
2
您的表少于 899 个。
于 2013-02-05T07:52:12.453 回答
1
the simplest row generator that would not come up short due to lack of rows in your source table / view is:
select rownum from dual connect by level < 900;
于 2013-02-05T07:56:47.000 回答
1
尝试：
select level as rnum
from dual
connect by level < 900;
于 2013-02-05T14:48:46.913 回答
0
select rownum from all_objects where rownum <900
于 2013-02-05T09:31:34.377 回答