20210913

Django

1. 昨日进度： https://docs.djangoproject.com/en/3.2/topics/db/queries/#querying-jsonfield

2. 词汇收集： encapsulate 概括; parenthetical grouping 附加分组; in bulk 散装; emulates 仿效;

3. MySQL常见的条件查询 https://www.cnblogs.com/cb1186512739/p/12655012.html

4. 今日进度 复制实例对象 https://docs.djangoproject.com/en/3.2/topics/db/queries/#copying-model-instances

学习总结

1. From outline check the code block，avoid to delete data and recovery data repeatly