Oracle开发之分析函数总结

Sum() Over ([Partition by ] [Order by ])
  
Sum() Over ([Partition by ] [Order by ] 
     Rows Between  Preceding And  Following)
      
Sum() Over ([Partition by ] [Order by ]
     Rows Between  Preceding And Current Row)
  
Sum() Over ([Partition by ] [Order by ]
     Range Between Interval '' 'Day' Preceding
                    And Interval '' 'Day' Following )

Rank() Over ([Partition by ] [Order by ] [Nulls First/Last])
  
  Dense_rank() Over ([Patition by ] [Order by ] [Nulls First/Last])
  
Row_number() Over ([Partitionby ] [Order by ] [Nulls First/Last])
  
Ntile() Over ([Partition by ] [Order by ])

Min()/Max() Keep (Dense_rank First/Last [Partition by ] [Order by ])

First_value / Last_value(Sum() Over ([Patition by ] [Order by ]
       Rows Between  Preceding And  Following  ))

Lag(Sum(), 1) Over([Patition by ] [Order by ])