Editing MongoDB

[[wikipedia:MongoDB]] (Feb [[2009]], [https://trends.google.com/trends/explore?date=all&q=MongoDB&hl=en trends]) is an open-source [[document-oriented database]] using a [[JSON]]-like documents with [[schema]]. Listen by default on [[port]] TCP 27017.

* Installation: <code>[[brew tap]] mongodb/brew && [[brew install mongodb-community]]</code>
* Runnig manually: <code>mongod --config /usr/local/etc/[[mongod.conf]] --fork</code>
* [[MongoDB Compass]]: <code>[[brew install mongodb-compass]]</code>
* <code>[[/var/log/mongodb/mongodb.log]]</code>
* <code>[[/var/lib/mongodb/]]</code>

== Features ==
* Ad-hoc queries
* Indexing
* [[Sharding]]
* [[MongoDB replication|Replication]]
* Load balancing
* File storage
* Aggregation
* Server-side JavaScript execution
* Capped [[collections]]
* [[ACID]] transactions

== Binaries ==
* <code>[[mongo]]</code> MongoDB shell
* <code>[[mongodb]]</code>
* <code>[[mongos]]</code> MongoDB Sharded Cluster Query Router
* <code>[[mongotop]]</code>
* <code>[[mongodump]]</code>
* <code>[[mongorestore]]</code>
* <code>[[mongoexport]]</code>
* <code>[[mongoimport]]</code>
* [[mongoreplay]]
* [[mongostat]]
* [[mongoperf]]

== Editions ==
* MongoDB Community Server

== Releases ==
* 4.2

== Configuration ==
* <code>/etc/[[mongod.conf]]</code>

== Commands ==
* Connect to mongoDB: <code>[[mongo]]</code> or <code>mongo --host IP_TO_CONNECT</code>
* List database: <code>[[show dbs]]</code> or <code>[[show databases]]</code>
* [[Connect to a database]]: <code>[[use]] <your_db_name></code>
* Backup your_db_name database to a file (<code>--archive</code>): <code>[[mongodump]] --archive=test.20150715.archive --db your_db_name</code>
* Backup database to binary JSON ([[BSON]]) files (<code>--out</code>): <code>mongodump --host mongodb1.example.net --port 37017 --username user --password "pass" --out /opt/backup/mongodump-2011-10-24</code>
* <code>[[mongod]] --smallfiles --oplogSize 128 --replSet rs0 --storageEngine=[[mmapv1]]</code>
* <code>mongod --smallfiles --oplogSize 128 --replSet rs0 --storageEngine=mmapv1 --bind_ip_all</code>
* <code>[[db.myCollection.find]]()</code> or <code>db.myCollection.find().pretty()</code>
* <code>[[show tables]]</code>,  <code>[[show collections]]</code>
* <code>db.users.find({"name": /.*m.*/})</code> or <code>db.users.find({"name": /m/})</code>
* db.YOUR_COLLETION.find().sort({_id:1}).[[limit]](50);
* <code>[[mongo --eval]] "printjson(db.serverStatus())"</code>

== Docker ==
* [[docker logs mongodb]]

== Customers ==
* [[Amadeus]]

== Related terms ==
* [[MongoDB Atlas]] cloud service
* [[Eliot Horowitz]] CTO and founder
* [[Ops Manager]]
* <code>[[prometheus]]-[[mongodb]]-[[exporter]]</code>
* [[Rocket.Chat]]
* [[GridFS]]
* [[MongoDB logs]]
* [[MERN]] stack
* [[Amazon DynamoDB]] and [[AWS DMS]]
* [[Collections]]

== Activities ==
* Read about [[MongoDB replication]] capabilities https://docs.mongodb.com/manual/faq/replica-sets/
* Read about MongoDB authentication: https://docs.mongodb.com/manual/core/authentication/ https://stackoverflow.com/questions/4881208/how-to-secure-mongodb-with-username-and-password

== See also ==
* {{Cassandra}}
* {{MongoDB}}
* {{NoSQL}}

[[Category:Databases]]
[[Category:NoSQL]]