mongodb
- 网络数据库;查询;命令
![mongodb](../cache/600349.jpg)
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Some , like mongodb , help to develop open source technologies .
一些工具,比如MongoDB,能够帮助开发开源技术。
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To delete data in MongoDB , you use the remove function .
要删除MongoDB中的数据,可使用remove函数。
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This will start the MongoDB database server as a foreground process .
这将作为前台进程启动MongoDB数据库服务器。
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MongoDB is now set up and ready to use .
MongoDB现在设置完成并准备使用。
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For more information on the update function , see the MongoDB documentation .
有关update函数的更多信息,请参阅MongoDB文档。
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Learn more about the MongoDB map / reduce functions .
了解有关MongoDBmap/reduce函数的更多信息。
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Online shell allows you to try out MongoDB without installing
在线shell让您能够不安装MongoDB即可试用
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Another good example is that you store customer order information in the MongoDB docs .
另一个好的示例是您把客户订单信息存储在MongoDB文档中。
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To get other administration information , you can also run the following commands in the MongoDB shell
为了获得其他管理信息,也可以在MongoDBshell中运行以下命令
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Read Reflections on MongoDB to learn how Collective Idea has made the switch .
阅读MongoDB思考,了解业界观念如何转变。
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MongoDB 's query engine also makes it very simple to apply aggregation and group functions on your data .
MongoDB的查询引擎也使得对数据应用聚合和分组函数变得非常简单。
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In the MongoDB shell , it is very easy to update documents .
在MongoDBshell中,更新文档非常容易。
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Included with the MongoDB distribution is a shell application that allows you complete control over your databases .
MongoDB发行版包含一个shell应用程序,使您能够完全控制数据库。
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MongoDB supports a variety of conditional operators , including
MongoDB支持各种条件运算符,包括
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However , MongoDB does provide an implementation of map / reduce for use in aggregating large data sets .
不过,MongoDB确实为聚合大型数据集的应用提供了map/reduce实现。
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Closing the command prompt window that opens will stop the MongoDB server .
关闭打开的命令提示符窗口将会停止MongoDB服务器。
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A MongoDB based Repository could be a simple approach to provide persistence in projects based on DDD .
在DDD的项目里,基于MongoDB的仓库能方便地用于提供持久化功能。
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But for applications that require high performance throughput and a flexible data model , MongoDB could be worth a look .
但是对于那些需要高性能流量和灵活数据模型的应用程序来说,MongoDB值得一看。
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You can easily replicate this functionality in MongoDB using the skip and limit functions .
您在MongoDB中只需使用skip和limit函数即可实现这一功能。
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Morphia automatically creates this field to record the type of the object in MongoDB .
Morphia自动创建此字段以便记录MongoDB中的对象类型。
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Operationally , MongoDB can be run in two modes depending on the needs of the application .
从操作角度来讲,MongoDB可以根据应用程序的需要以两种模式来运行。
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However , if you must store related data separately you can do so easily in MongoDB using a separate collection .
不过,如果您必须分开存储相关数据,在MongoDB中也可以简单地使用一个独立的集合来完成。
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With this application , I 'm going to first capture some information from Twitter and store it in MongoDB .
通过此应用程序,我将首先从Twitter捕获一些信息并将其存储在MongoDB中。
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Morphia 's filter operators closely map to the query operators used in MongoDB queries .
Morphia的筛选运算符紧密地映射到用于MongoDB查询的查询运算符。
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In addition , you 'll also learn how you can store large files in MongoDB using GridFS .
此外,您还将学习如何在MongoDB中使用GridFS存储大文件。
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10gen has designed MongoDB to solve real-world problems for a large subset of the application development community .
10gen设计了MongoDB,以此来解决应用程序开发社区中的大量现实问题。
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You are now connected to your local MongoDB server , and in particular , the " test " database .
您现在已连接到本地MongoDB服务器,尤其是“测试”服务器。
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Note that in MongoDB , my tickets collection did not need to be created beforehand .
请注意在MongoDB中,我的tickets集合无需提前创建。
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Getting started with MongoDB couldn 't be easier , especially because it offers downloads for target operating systems .
MongoDB入门再简单不过了,尤其因为其为目标操作系统提供了下载。
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If the database does not exist , MongoDB will create it as soon as you add any data to it .
如果数据库不存在,在您将数据添加到数据库时,MongoDB将会创建它。