1. use nodeblog – 使用nodebolg这个数据库
2. db.users.findOne() – 查看作者信息
3. db.posts.insert({ title: ‘First Post in HTML’, content: ‘First Post in HTML’, category: ObjectId(“5f0a5f0e9fe2c05078c6cef6”), author: ObjectId(“5f095bb15c66e961ecdbd779”), slug: ‘first-post-in-html’, published: true, meta: { favourates: 0 }, comments: [], created: new Date() }) – 在posts中插入数据
4. db.categories.find().pretty() – 查看categories中所有的数据
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