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抱歉,我对 SQL 一无所知。
请有人给我 SQL 命令来执行以下操作:
我正在使用 Sqlite。
谢谢您的帮助。
这未经测试(显然,因为我没有你的架构),但像这样:
UPDATE data SET difficulty = (SELECT rank FROM prime WHERE field2 = data.english);