How to Find All Documents in MongoDB Quickly and Easily

To find all documents in MongoDB, use the find() method without any filter inside the collection. For example, db.collection.find() returns every document in that collection.

Syntax

The basic syntax to find all documents in a MongoDB collection is:

• db.collection.find(): Retrieves all documents from the specified collection.
• db: Refers to the current database.
• collection: The name of the collection you want to query.
• find(): The method that fetches documents; when called without arguments, it returns all documents.

mongodb

db.collection.find()

Example

This example shows how to find all documents in a collection named users. It prints each document to the console.

mongodb

use mydatabase

// Insert sample documents
db.users.insertMany([
  { name: "Alice", age: 25 },
  { name: "Bob", age: 30 },
  { name: "Charlie", age: 35 }
])

// Find all documents
const cursor = db.users.find()

// Print each document
cursor.forEach(doc => printjson(doc))

Output

{ "_id" : ObjectId("..."), "name" : "Alice", "age" : 25 }
{ "_id" : ObjectId("..."), "name" : "Bob", "age" : 30 }
{ "_id" : ObjectId("..."), "name" : "Charlie", "age" : 35 }

Common Pitfalls

Common mistakes when trying to find all documents include:

• Using find({}) is correct but sometimes people add incorrect filters that exclude documents.
• Forgetting to iterate over the cursor to see results in the shell.
• Expecting find() to return an array directly; it returns a cursor that you must iterate.

Example of a wrong approach and the right way:

mongodb

// Wrong: expecting an array directly
const result = db.users.find()
print(result) // prints cursor info, not documents

// Right: iterate the cursor
const cursor = db.users.find()
cursor.forEach(doc => printjson(doc))

Quick Reference

Command	Description
db.collection.find()	Finds all documents in the collection
db.collection.find({})	Also finds all documents, empty filter
cursor.forEach(doc => printjson(doc))	Prints each document from the cursor
db.collection.find().limit(5)	Finds first 5 documents only

Key Takeaways

Use db.collection.find() without arguments to get all documents.

The find() method returns a cursor, not an array; iterate it to access documents.

Avoid adding filters if you want every document in the collection.

Use cursor methods like forEach() to process or print documents.

Remember to specify the correct collection name in your queries.