//display all queries with comments db.system.profile.find({ "command.comment": {$exists: true} }, { command: 1 }).pretty() It is also possible to put a comment in the$matchstage of an aggregation expression: db.Customers.aggregate( [{$match : { "Addresses.County": { $eq: "Yorks...
key字符串,指定获取哪个字段的不同值;query:包含标准查询选项的对象,指定了要从哪个文档中获取不同的字段值 举例说明: 如下是 inventory 集合的数据 { "_id": 1, "dept": "A", "item": { "sku": "111", "color": "red" }, "sizes": [ "S", "M" ] } { "_id": 2, "dept": "A", ...
(1)在mongoDB shell中直接使用db.collectionName,比如 db.mycollection.find()实现查找mycollection集合中的所有文档。 注:该方式只适用与shell中 (2)mycollection = db.getCollection("mycollection");mycollection.find()。 该方法可以在JavaScript文件和shell中使用 MongoDB提供了很多方法,用于对集合进行一系列的操...
1. Now issue the following command to reload your repository: sudo apt-get update 1. Install Packages Issue the following command to install the latest stable version of MongoDB: sudo apt-get install mongodb-10gen 1. When this command completes, you have successfully installed MongoDB! Continue...
/ Ruby / Ruby Driver MongoDB Compatibility The following compatibility table specifies the recommended version(s) of the MongoDB Ruby Driver for use with a specific version of MongoDB. Except when indicated, the specified driver versions expose or take advantage of the features added in the corre...
You can also do this using the wget command: $ wget https://github.com/taobataoma/meanTorrent/archive/master.zip -O meanTorrent.zip; unzip meanTorrent.zip; rm meanTorrent.zip Don't forget to rename meanTorrent-master after your project name. Quick Install Once you've downloaded the boiler...
1.1. Use this if you have the mongo (command-line tool) installed and you are running your private1 site locally $ cd ~/mongodb-demo/skupper-example-mongodb-replica-set $ mongo --host $(kubectl get service mongo-a -o=jsonpath='{.spec.clusterIP}') > load("replica.js") 1.2. Altern...
First, let’s install the command-line interface for Sass: npm install --save node-sass-chokidar Alternatively you may use yarn: yarn add node-sass-chokidar Then in package.json, add the following lines to scripts: "scripts": { + "build-css": "node-sass-chokidar src/ -o src/", ...
Command mangodb MongoDB commands # MongoDB Cheat Sheet ## Show All Databases ``` show dbs ``` ## Show Current Database ``` db ``` ## Create Or Switch Database ``` use acme ``` ## Drop ``` db.dropDatabase() ``` ## Create Collection ...
I executed the command to retrieve data that is beyond a certain date, but it did not yield any results. The startTime and endTime values are both in the EST format. I'm unsure about what I might be overlooking. Kindly provide guidance. ...