rownum rowid

rownum是Oracle数据库中的一个伪列，用于对查询结果进行排序。它表示返回的行在结果集中的序号。rownum是在查询结果返回之后给每一行分配的，因此它的值会变化。rownum不能用于大于、大于等于、等于和between...and的比较操作，只能用小于、小于等于和不等于的操作符。rowid和rownum的含义完全不同，rowid用于定位数据位置，而rownum用于对查询结果进行排序。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* *3* [rownum与rowId](https://blog.csdn.net/weixin_34259159/article/details/85771827)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT0_1"}}] [.reference_item style="max-width: 50%"]
- *2* [Rowid和Rownum的区别](https://blog.csdn.net/yzxz/article/details/4547495)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT0_1"}}] [.reference_item style="max-width: 50%"]
[ .reference_list ]