Mongodb Cheat Sheet
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1MongoDB Cheat Sheet
by
Ovidiu Anicai (ovi_mihai)
via
Basic commands
Finds - db.collection
Mongo Queries
mongo
Start Mongo
.find()
Displays documents from "collectio
_id
Search by ID
n" (first 10)
show dbs
Show databases
key: value
Search through key-value combin
it
Type "it" to see more documents
ation
use mydb
User database named "mydb"
after the prev command
{ subkey: value
Search with subdocument
db
Show selected database
.find( query [,
Find all documents by conditions,
}
help
Get help
fields] )
with optional fields selection
$in : [ e1, e2, ..
Search IN Array
show collections
Show collections from a database
.findOne( query
Find one document by conditions
]
)
queries are represented through JSON objects
.find( query )
Find n document by conditions
.limit( n:number
)
.find() .pretty()
Format results in Mongo Shell
.find() .sort( key :
Sort by key in ascending (1) or
1|-1 )
descending (-1) order
.find() .skip( 5 )
Skip 5 documents (similar to offset)
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This cheat sheet was published on 27th March, 2013
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and was last updated on 27th March, 2013.
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Parent category: Education