SQL Distinct On Multiple Columns - Search Videos

【SQL超入門講座】17.DISTINCT｜重複した値を排除して抽出する方法

【SQL超入門講座】17.DISTINCT｜重複した値を排除して抽出する方法

こんにちは、Kinocodeです。皆さんは値の重複を排除してカラムを抽出したい時、どのようにしていますか？以前の動画で解説したGROUP BY句を思いつく方が多いかもしれません。このGROUP BY句と同じような機能を持つものとして、

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