vadimtropashko.wordpress.com/2009/03/25/variable-number-of-joins

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https://vadimtropashko.wordpress.com/2009/03/25/variable-number-of-joins

Variable number of joins

Iggy Fernandezs posted a challenge which looks like routine application of recursive query technique: with njoins (face_value, probability, joins) as ( SELECT d1.face_value , d1.probability, 1 FROM die d1 union all SELECT d1.face_value + d2.face_value AS SUM, d1.probability * d2.probability AS probability, joins+1 FROM njoins d1, die d2 where d1.joins < 10 ) select *…



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Variable number of joins

https://vadimtropashko.wordpress.com/2009/03/25/variable-number-of-joins

Iggy Fernandezs posted a challenge which looks like routine application of recursive query technique: with njoins (face_value, probability, joins) as ( SELECT d1.face_value , d1.probability, 1 FROM die d1 union all SELECT d1.face_value + d2.face_value AS SUM, d1.probability * d2.probability AS probability, joins+1 FROM njoins d1, die d2 where d1.joins < 10 ) select *…



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https://vadimtropashko.wordpress.com/2009/03/25/variable-number-of-joins

Variable number of joins

Iggy Fernandezs posted a challenge which looks like routine application of recursive query technique: with njoins (face_value, probability, joins) as ( SELECT d1.face_value , d1.probability, 1 FROM die d1 union all SELECT d1.face_value + d2.face_value AS SUM, d1.probability * d2.probability AS probability, joins+1 FROM njoins d1, die d2 where d1.joins < 10 ) select *…

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