BIP - Talent Ratings

Summary:

Hello, Good day!

I'm running a report in BIP but facing performance issue when I'm trying to create multiple data sets. One data set for employee details and one data set for talent ratings. I think the issue comes from talent ratings data set.

Does anyone know how I can optimize this SQL?

Our goal is to show an employee's most recent and historical performance as well as potential rating. The ratings should be displayed per column, and the data should be one row per employee.

Please see the SQL below.

WITH performance_tbl AS (

SELECT papf.person_number,