Parameter names of "結合" / "Join" Action in "データ操作" / "Data Operations" does not mean the features. The parameter name "開始" mean "Start" instead "from" in Japanese. The parameter name "結合" mean "Join" instead "join with" , too. I recommend "結合する配列" rather than "開始" for mean "from", and "区切り記号" rather than "結合" for mean "join with". regards, Yoshihiro Kawabata
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