type:{type:String,enum:['text','multiple_choice','rating'],required:true,},options:[String],// 用于选择题});constsurveySchema=newmongoose.Schema({title:String,description:String,questions:[questionSchema],// 嵌套文档});constSurvey=mongoose.model('Survey',surveySchema);...
Voyage AI joins MongoDB to power more accurate and trustworthy AI applications on Atlas. LEARN MORE Explore Developer Center's New Chatbot! MongoDB AI Chatbot can be accessed at the top of your navigation to answer all your MongoDB questions. VIEW MONGO AI...
Explore Developer Center's New Chatbot!MongoDB AI Chatbot can be accessed at the top of your navigation to answer all your MongoDB questions. VIEW MONGO AI Produtos Plataforma AtlasCrie uma plataforma de dados para desenvolvedores SERVIÇOS DE PLATAFORMA ...
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{questions:[ {_id:ObjectId("5f8d...123"),type:"single_choice",//single_choice/multiple_choice/text...stem:"您对当前福利制度满意吗?",required:true,options:[ {id:1,text:"非常满意",score:5}, {id:2,text:"比较满意",score:4} ...
What are the most important MongoDB interview questions? The MongoDB interview process is a window into the candidate’s MongoDB skills and their compatibility with your project. These essential MongoDB interview questions focus on technical expertise, but it’s equally important to gauge a candidat...
less database program, MongoDB leverages JSON-like document structure; hence a data model exists. Data modeling, in general, has diverse components which require active participation from multiple stakeholders; it’s the responsibility of developers to know the answers to the following four questions...
https://www.guru99.com/mongodb-interview-questions.html https://learnfrenzy.com/blog/top-25-mongodb-interview-questions--answers http://a4academics.com/interview-questions/53-database-and-sql/974-mongodb
Frequently Asked Questions: What is a namespace in MongoDB? How do you copy all objects from one collection to another? If you remove a document, does MongoDB remove it from disk? When does MongoDB write updates to disk? How do I do transactions and locking in MongoDB? How do you ag...
http://stackoverflow.com/questions/2892729/mongodb-vs-cassandra