Actually 3 and 4 placed orders on the same day. The results I sent your were incorrect. I am still struggling on how to come to the right result set. -- View this message in context: http://postgresql.nabble.com/generating-the-average-6-months-spend-excluding-first-orders-tp5828253p5828390.html Sent from the PostgreSQL - sql mailing list archive at Nabble.com.
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Соглашаюсь с условиями обработки персональных данных