Re: 2nd attempt: Window function SQL - can't quite figure it.

Thanks for that - I managed

> SELECT *, total_mgr_dept / total_dept_only AS manager_share_of_department
> <rest of query snipped...>

I managed to do using two CTEs as shown below.

I was wondering, how would it be possible to do what I want
using traditional SQL? That is, no CTE's and no Windowing
functions?

====== My effort using two CTE's ====

WITH tab1 AS (
  SELECT department, salesmanager, SUM(amount) as sm1 FROM sales
  GROUP BY department, salesmanager
),
tab2 AS (
  SELECT department, SUM(amount) as sm2 FROM sales
  GROUP BY department
)
SELECT tab1.*, tab2.sm2, ROUND((tab1.sm1/tab2.sm2) * 100, 2) AS  "%age
of Dept. income"
FROM tab1
INNER JOIN tab2 ON
tab1.department = tab2.department;

> David J.


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