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是否可以在 csv 文件上进行诸如“SELECT Aa, Ab, Ba, Bc FROM Aa.csv A INNER JOIN Bb.csv B ON Aa = Ba”之类的查询 - * 使用 MS Office 或免费/便宜的替代方案 * 在 OSX *无需访问或创建真正的 sql 数据库并导入 csv 文件