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CROSS JOIN for all combinations
SQL

CROSS JOIN for all combinations

It is the cartesian products of both tables, if you're a math nerd. πŸ“Œ Syntax: πš‚π™΄π™»π™΄π™²πšƒ * π™΅πšπ™Ύπ™Ό πšπšŠπš‹πš•πšŽ_𝟷 π™²πšπ™Ύπš‚πš‚ 𝙹𝙾𝙸𝙽 πšπšŠπš‹πš•πšŽ_𝟸 Note that there is no need
KNN with SQL
SQL

KNN with SQL

Here's a quick implementation of supervised learning, the k-nearest neighbor (KNN) classification algorithm. To get you up to speed, the
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