{"_id":1,"host":"mongodb1.example.net:27017","arbiterOnly":false,"buildIndexes":true,"hidden":false,"priority":1,"tags": { },"slaveDelay": NumberLong(0),"votes":1}, {"_id":2,"host":"mongodb2.example.net:27017","arbiterOnly":false,"buildIndexes":true,"hidden":false,"...
MongoDB 是什么? MongoDB 是一个文档数据库,为简化应用程序的开发与扩展而设计。 您可以在以下环境运行 MongoDB: MongoDB Atlas:用于云端 MongoDB 部署的完全托管服务 MongoDB Enterprise:基于订阅、自行管理的 MongoDB 版本 MongoDB Community:source-available、可免费使用以及自行管理的 MongoDB 版本...
MongoDB is a popular open source, NoSQL database used to build modern web and mobile applications. Here’s everything you need to know to get started.
The __v field is a version key added by Mongoose to documents inMongoDB. A version key in MongoDB added by Mongoose as __v is used to track the version of a document. It is automatically included unless explicitly disabled. Purpose of the __v Field The purpose of the __v field is...
Locate the fault from the following aspects:Check whether the DB instance is available.For example, if the system is faulty, a DB instance is abnormal, or a DB instance o
Examples of docker images are Ubuntu images, MySQL images, Java images, and images for applications, built in Node.js and using MongoDB. 4. Docker Registry Docker Registry is like an online library for Docker containers. It’s a place where people store and share the software they’ve packa...
SQL is the most common standardized programming language used to access databases. Depending on the programming environment, a developer might enter SQL directly—for example, to generate reports. It’s also possible to embed SQL statements into code written in another programming language or use a...
Amazon DocumentDB (with MongoDB compatibility)is a fully managed native JSON document database service that supports document, including MongoDB, workloads. Developers can use the same MongoDB application code, drivers, and tools to run, manage, and scale workloads on Amazon DocumentDB. You can en...
MongoDB OpenPages® 9.002.0.3 Version 9.002.0.3 of the OpenPages service includes various fixes. Related documentation: OpenPages Product Master 5.7.0 Version 5.7.0 of the Product Master service includes various fixes. For details, see What's new and changed in Product Master. Related documentatio...
MongoDB OpenPages® 9.002.0.3 Version 9.002.0.3 of the OpenPages service includes various fixes. Related documentation: OpenPages Product Master 5.7.0 Version 5.7.0 of the Product Master service includes various fixes. For details, see What's new and changed in Product Master. Related documentatio...