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Define your data models entirely in Python. You get a rich, dynamic database-access API for free — but you can still write SQL if needed. for example: 阅读全文
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https://www.cnblogs.com/wupeiqi/articles/5729934.html https://www.cnblogs.com/wupeiqi/articles/5748496.html MySQL测试题 一、表关系 请创建如下表,并创建相关约束 Microsoft Wi 阅读全文
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ORM操作 select * from tb where id >1 Django中:models.tb.objects.filter(id__gt=1) select * from tb where id =1 Django中:models.tb.objects.filter(id=1) sele 阅读全文