MongoDB Manual / 参考 / 操作符 / 查询与投影 / 逻辑查询 定义 $not $not对指定的<operator-expression>执行逻辑NOT操作,并选择与<operator-expression>不匹配的文档。这包括不包含field的文档。 兼容性 可以使用$not查找托管在以下环境中的部署: MongoDB Atlas:用于云中 MongoDB 部署的完全托管服务 ...
Make sure you have MongoDB Compass installed on your computer. If not,download and install Compassfor your operating system. Creating a MongoDB database with Compass The Databases tab in MongoDB Compass has a "Create Database" button.
MongoDB creates aunique indexon the_idfield during the creation of a collection. The_idindex prevents clients from inserting two documents with the same value for the_idfield. You cannot drop this index. Note Insharded clusters, if you donotuse the_idfield as theshard key, then your appli...
步骤1:启动 MongoDB Compass 启动MongoDB Compass,连接到你的 MongoDB 数据库。 步骤2:选择数据库 在MongoDB Compass 的左侧导航栏中,选择你要导出的数据库。如果你还没有创建数据库,可以先创建一个进行测试。 步骤3:导出数据库 点击MongoDB Compass 工具栏中的 “Export” 按钮,并选择 “Database” 选项。在...
来为我的 MongoDB 实例启用身份验证。但是,我无法找到 MongoDB Compass 的 mongod.conf 文件或任何等效的配置文件。 我的MongoDB Compass 安装目录结构如下所示: app-1.43.0 (Folder) packages (Folder) app.ico MongoDBCompass.exe Squirrel-Shortcut.log Squirrel-Unset.log Update.exe 有人可以指导我如何在...
I am (or was) running a website built with vue frontend and strapi backend. All data was held with a mongo database on the droplet. Last week we noticed …
MongoDB Shell. Aprogramming languagewith a MongoDB driver (we will usePython). The sections below cover each method in greater detail. Use a method that best suits your preferences and requirements. Method 1: Create a Database in MongoDB Using Compass ...
Throughout this series, I’ve provided a number of examples of how to run commands in MongoDB Shell (mongosh). However, the examples were limited to the... 10 April 202518 min read Robert SheldoninMongoDB Importing and exporting data in MongoDB Compass ...
Support for showing current user processes only 15)..Added: Expanding environment variables for "Support URL" 16)..Fixed: Range-check error on systems with MBCS ACP 17)..Fixed: 64-bit shared memory manager may not work 18)..Fixed: Possible "Unit XYZ was compiled with a different version ...
当使用mongosh方法(Atlas UI或Compass)查询数据时可以使用操作符。 查询选择器 对比 关于不同 BSON 类型值的比较,请参阅指定的 BSON 比较顺序。 名称 说明 $eq 匹配等于指定值的值。 $gt 匹配大于指定值的值。 $gte 匹配大于等于指定值的值。 $in