Oracle - Lead() over (partition by xxx order by xxx )

时间 2019-12-04

标签 oracle lead partition order 栏目 Oracle 繁體版

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Lead() over()，主要做用是从某一个集合的当前cursor位置算起，按照某种顺序将第下第n个位置的某一个字段值取出来，默认是往下1个位置。ci select incid_id,acty_id, lead(acty_ts) over(partition by incid_id order by acty_ts asc ) as closed_response from incid_acty

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1. oracle row_number() over(partition by .. order by ..)和rank() over(partition by .. order by ..) 和dens
2. Rank() over (partition by……order by……）与dense_rank() over (partition by……order by……）的区别
3. oracle rank() over(partition by order by） rnk 用法
4. Hive 窗口函数之 lead() over(partition by ) 和 lag() over(partition by )
5. mysql之rank() over(order by)、rank() over(partition by order by)
6. row_number() OVER(PARTITION BY)
7. oracle OVER(PARTITION BY) 函数
8. over partition by与group by
9. rownumber() over(partition by col1 order by col2)
10. row_number() OVER (PARTITION BY COL1 ORDER BY COL2)

>>更多相关文章<<