Aggregrate Analytical « Analytical Functions « Oracle PL / SQL






  1. Oracle PL / SQL
  2. Analytical Functions
  3. Aggregrate Analytical
1.count(*) over partition, order by, range unbounded preceding
2.count(*) over partition by, order by, range unbounded preceding
3.Employee salary report with avg salary for the previous 12 months
4.avg over range between
5.Is our average total_order_price increasing or decreasing?
6.analytic order-by clause
7.avg over and avg over order by
8.Sum over order by
9.Sum over partition by and order by




10.avg over order by range
11.average 5 before, after
12.Row-ordering is done first and then the moving average
13.Avg over ROWS BETWEEN 1 PRECEDING AND 1 FOLLOWING)
14.SUM(y) OVER(ORDER BY x ROWS BETWEEN 1 PRECEDING AND 1 FOLLOWING)
15.Use the COUNT aggregate analytical function to show how many rows are included in each window
16.To see how the moving average window can expand
17.Uses dates and logical offset of seven days preceding
18.A seven-day MAX and MIN on Tuesdays
19.A seven-day MAX and MIN on Tuesdays: using TO_CHAR function
20.Displaying a Running Total Using SUM as an Analytical Function
21.Reporting on a Sum