![](/img/trans.png)
[英]How can I find the most expensive product in a Product table without using MAX, LIMIT, or ORDER BY in SQL Developer Oracle?
[英]How can I display result in order of hierarchy (in Oracle SQL Developer)?
您只需要一個 CONNECT BY 子句和 LPAD 函數組合 -
SELECT LPAD('*', LEVEL - 1, '*') || col_org Col_hierarchy_org
FROM DATA D
START WITH col_org_predecessor IS NULL
CONNECT BY PRIOR col_org = col_org_predecessor;
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.