| | coll.findOne({ title: 'Hamlet' }); |
|
| | coll.find({ year: 2005 }); |
|
| | await coll.insertOne({ title: 'Jackie Robinson' }); |
|
Insert Multiple Documents
| | coll.insertMany([ | | { title: 'Dangal', rating: 'Not Rated' }, | | { title: 'The Boss Baby', rating: 'PG' } | | ]); |
|
| | await coll.updateOne( | | { title: 'Amadeus' }, | | { $set: { 'imdb.rating': 9.5 } } | | ); |
|
Update Multiple Documents
| | await coll.updateMany( | | { year: 2001 }, | | { $inc: { 'imdb.votes': 100 } } | | ); |
|
Update Arrays in Documents
| | await coll.updateOne( | | { title: 'Cosmos' }, | | { $push: { genres: 'Educational' } } | | ): |
|
| | await coll.replaceOne( | | { name: 'Deli Llama', address: '2 Nassau St' }, | | { name: 'Lord of the Wings', zipcode: 10001 } | | ); |
|
| | await coll.deleteOne({ title: 'Congo' }); |
|
Delete Multiple Documents
| | await coll.deleteMany({ title: { $regex: /^Shark.*/ } }); |
|
| | await coll.bulkWrite([ | | { | | insertOne: { | | document: { | | title: 'A New Movie', | | year: 2022 | | } | | } | | }, | | { | | deleteMany: { | | filter: { year: { $lt: 1970 } } | | } | | } | | ]); |
|
| | coll.watch([ { $match: { year: { $gte: 2022 } } } ]); |
|
Access Data from a Cursor Iteratively
| | const cursor = coll.find(); | | await cursor.forEach(console.dir); |
|
Access Data from a Cursor as an Array
| | const cursor = coll.find(); | | const results = await cursor.toArray(); |
|
| | await coll.countDocuments({ year: 2000 }); |
|
List the Distinct Documents or Field Values | | await coll.distinct('year'); |
|
Limit the Number of Documents Retrieved
| |
| | collection.find({ title: { $regex: /^Rocky/} }, { skip: 2 }); |
|
Sort the Documents When Retrieving Them
| | coll.find().sort({ year: 1}); |
|
Project Document Fields When Retrieving Them
| | coll.find().project({ _id: 0, year: 1, imdb: 1 }); |
|
| | await coll.createIndex({ title: 1, year: -1 }); |
|
| | | coll.find({ $text: { $search: 'zissou' } }); |
|
Install the Driver Dependency | | "dependencies": { | | "mongodb": "^4.1", | | ... | | } |
|
