Cheat Sheet Mongodb

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  1. Cheat Sheet Mongodb Java
  2. Mongodb Cheat Sheet 2020 Pdf
  1. MongoDB admin cheat sheet for MongoDB admin user. The list of MongoDB admin queries for MongoDB Admin user. Overview of MongoDB Admin cheat sheet. If you are a MongoDB admin, this article is more essential for you. You can get more information regarding MongoDB admin things in one place.
  2. MongoDB Cheat Sheet Show All Databases show dbs Show Current Database db Create Or Switch Database use acme Drop db.dropDatabase Create Collection db.createCollection('posts') Show Collections show collections Insert Row.

In this cheat sheet we gave you the basic CRUD (Create, Read, Update, Delete) commands that will be commonly used with Mongoose. Mongoose is a very easy library to get up and running with so get started and try out some commands. You can install Mongoose from npm.

MongoDB Cheat Sheet(Beginners).:

  • show dbs -> to show databases
  • use {database name} -> To create & use a database
  • db.createCollection(“collection name”) -> To create a collection
  • db -> To check current database
  • db.dropDatabase() -> To delete/drop a database
  • db.[collection-name].drop() -> To delete/drop a collection
  • show collections -> To show collections
  • db.[collection-name].insertOne({key:value}) -> To insert one
  • db.[collection-name].insertMany([{key:value}, {key:value}]) -> To insert many
  • db.[collection-name].find(query(optional), projection(optional))-> To find data
  • db.[collection-name].find(query(optional), projection(optional)).pretty() -> To find data and prettify it
  • db.[collection-name].find().count() -> To count the number of data in a collection
  • db.[collection-name].find().sort({value:1}) -> To sort the values : -1 : Descending, 1 : Ascending
  • db.[collection-name].find().limit(value) -> To limit the data show
  • db.[collection-name].updateOne({_id:1}, {$set: {age:21}}) -> To update one set of value
  • db.[collection-name].updateMany({_id:1}, {$set: {age:21}}) -> To update many set of value
  • db.[collection-name].deleteOne({_id:1}) -> To delete

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    Cheat Sheet

    There are many GUI tools to connect to MongoDB databases and browse but sometimes you need to get to the command line. That moment when something has gone wrong on the database server, and you need to SSH 4-levels deep in order to debug a problem with a database can leave you stuck. Zumas revenge free download for mac.

    Cheat Sheet Mongodb Java

    In this cheat sheet you can get a quick refresher on: Download rhino for mac.

    • Starting the mongo shell
    • Navigating around Mongo
    • Working with a collection
    • Changing groups of documents
    • Working with individual documents and Indexes
    • Dangers to avoid

    Mongodb Cheat Sheet 2020 Pdf

    Created for personal use by Red Hat’s own Cian Clarke, we’ve cleaned it up a bit for your use.

    Cheat Sheet Excerpt

    “
    Navigating around Mongo

    Here are the most used commands, operations and queries.

    Description
    Shows all databases available on this server
    Mongodb
    Switches to a database called acmegro- cery. Creates this database if it doesn’t already exist.
    Show all collections in the current db (first `use ‹someDb›`)
    Show all users for the current DB
    Show the roles defined for the current DB

    Want to see more? Get the full cheat sheet.

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