Use this as sample data, it is not the same. But will do the work db.teachers.insertMany([ { "_id": 1, "name": "John Doe", "age": 35, "gender": "male" }, { "_id": 2, "name": "Jane Smith", "age": 40, "gender": "female" }, { "_id": 3, "name": "Michael Johnson", "age": 45, "gender": "male" }, { "_id": 4, "name": "Emily Williams", "age": 30, "gender": "female" }, { "_id": 5, "name": "Robert Brown", "age": 38, "gender": "male" }, { "_id": 6, "name": "Emma Jones", "age": 33, "gender": "female" }, { "_id": 7, "name": "William Davis", "age": 37, "gender": "male" }, { "_id": 8, "name": "Olivia Miller", "age": 41, "gender": "female" }, { "_id": 9, "name": "David Wilson", "age": 36, "gender": "male" }, { "_id": 10, "name": "Sophia Moore", "age": 32, "gender": "female" }, { "_id": 11, "name": "Richard Taylor", "age": 39, "gender": "male" }, { "_id": 12, "name": "Isabella Anderson", "age": 43, "gender": "female" }, { "_id": 13, "name": "Joseph Thomas", "age": 34, "gender": "male" }, { "_id": 14, "name": "Mia Jackson", "age": 42, "gender": "female" }, { "_id": 15, "name": "Charles White", "age": 36, "gender": "male" }, { "_id": 16, "name": "Abigail Harris", "age": 31, "gender": "female" }, { "_id": 17, "name": "Daniel Martin", "age": 44, "gender": "male" }, { "_id": 18, "name": "Evelyn Thompson", "age": 38, "gender": "female" }, { "_id": 19, "name": "Matthew Garcia", "age": 37, "gender": "male" }, { "_id": 20, "name": "Sofia Martinez", "age": 35, "gender": "female" }, { "_id": 21, "name": "Andrew Robinson", "age": 40, "gender": "male" }, { "_id": 22, "name": "Grace Clark", "age": 33, "gender": "female" }, { "_id": 23, "name": "Joshua Rodriguez", "age": 39, "gender": "male" }, { "_id": 24, "name": "Avery Lewis", "age": 42, "gender": "female" }, { "_id": 25, "name": "Christopher Lee", "age": 37, "gender": "male" }, { "_id": 26, "name": "Chloe Walker", "age": 31, "gender": "female" }, { "_id": 27, "name": "Kevin Hall", "age": 44, "gender": "male" }, { "_id": 28, "name": "Zoey Allen", "age": 38, "gender": "female" }, { "_id": 29, "name": "Brian Young", "age": 36, "gender": "male" }, { "_id": 30, "name": "Harper King", "age": 34, "gender": "female" } ])

Working as a developer from last 4 yrs but i didnt know some operators even exists.. thank you for your support . Watching your videos is like bliss af🎉

Your MongoDB playlist is absolutely fantastic! Your tutorials and explanations make it so easy to understand and follow. I've been searching for a reliable resource to learn MongoDB, and your playlist makes it easier for me to apply what I've learned to my own projects.

one of the best aggregation tutorial available on youtube till now thank you sir.

Finally found great video for mongodb aggregation queries, really thank you so much

Love you bro, being technical matters but you have got god gifted teaching skill along with technical competency. always spare some of your time for teaching. found your video very helpful and will recommend to others for sure. no click bate no gimmicks pure knowledge with nicely organised flow.

Thank you for explaining in a simple way.

Such a beautiful information for mongodb pipeline. Thanks a lot for this valuable video ❤

benifitted so much from this playlist..appreciate you sir!!

Thank your very much for the great explanation!!

Fantastic, I learned a lot today

Awesome explaination with multiple examples, thanks

Just please never stop making such amazing videos ❤❤

hey man awesome video loved they way you explain waiting for more videos. keep it up

wow...its very first time ,I am watching your videos but really....its awesome your way to convey the concept is literally different from other ..

Sir all of you content is a gold mine for developers.

vai, a big "THANK YOUUU" for u

Awaiting next video !!

I like your accent, your explanations and so i subscribed you. Keep posting more vids.

Thanks bhai jaan bahut hi achi video bnae hai apne

Op sir first time aaya hu kya hi technique he aapki padhaneki

Subscribed, Your teaching style is something unique😊😊

easy and effective way to explain.

Best mongodb playlist ❤

For last filter [ { "name": "Vinay", "age": 34, "scores": [22, 33, 4, 44, 55] }, { "name": "Alice", "age": 28, "scores": [10, 20, 30, 40, 50] }, { "name": "Bob", "age": 42, "scores": [15, 25, 35, 45, 55] }, { "name": "Emma", "age": 31, "scores": [18, 28, 38, 48, 58] }, { "name": "Chris", "age": 37, "scores": [12, 22, 32, 42, 52] }, { "name": "Sophia", "age": 29, "scores": [25, 35, 45, 55, 65] }, { "name": "David", "age": 36, "scores": [30, 40, 50, 60, 70] }, { "name": "Linda", "age": 45, "scores": [8, 18, 28, 38, 48] }, { "name": "Michael", "age": 27, "scores": [16, 26, 36, 46, 56] }, { "name": "Emily", "age": 33, "scores": [5, 15, 25, 35, 45] } ]

Loved the video. Waiting for the next one. Keep making such awesome tutorials. ♥

Love your tutorials.Pls cover entire mongo db.

very nice explain bro, before it i have little bit confusion regarding pipeline now clear thank you bro

Mza agya bro, enjoy and completely understand. Thanks

Excellent content bhai highly appreciate your efforts.

You Got A Subscriber, loved the way you explain 😂 🔥

Unique way of teaching.. no boringness ❤❤🎉🎉

Bhai you are the best! Your teaching style is so unique and interesting. I love it ❤

Best mongodb tutorial on earth

bhaut hard XD : ) ❤‍🔥

Thank you sir ❤

thanks man : )

most underrated channel

You doing awesome job do it continue 👌🎉❤️

awesome explanation sir ❤

nice explanation

Sir you are great

Best 🔥🔥🔥🔥🔥🔥🔥

Deserve more views and subscribers ❤

Damn good lecture

Cool way of teaching.

Amazing 👍👍

Great🎉

You are wonderful. Can you please explain $reduce? Also can you please include datetime in your examples.

explain in simple way. no complex. Thanks

can you do a video on these complex queries implemented using spring data mongoDB ?

Sir please provide the pdf/cheat sheet as well. By the way love your lectures

Awesome Video..BTW any idea why the last problem's solution showing avgScores as null??

Bachpan me hum padhte the ..... 😆..Amazing videos bhai..helped alot.

thanks bhaiya ji...ek video or aggregation completed ...:))

Your videos are really awesome. I have one question How can we use two ids while grouping? Is it possible if yes then how. Can you please explain?

how to use indexing for aggregation pipeline?

Dont know on the area you expertise on. But if you create some playlist on devops (as not much good resourse available) , gcp , aws etc. trust me uh ll be unbeatable. Mark my words

Super anna ❤

Problem statement : In a Json file or Mongo there is an Object contains Company name and Gender, You Have to find the count of female and male in a seperate column for each company. ex: Company Male female A 22 10 B 20 18 C 10 30

Please do a video on $lookup as well. BTW a great explanation.

kamal

achcha samjhaya bhai apne

his voice🔥🔥🔥🔥

cant get it why 44 psychos disliked this such legendary video,absolutely fabulous, amazing

nice video, transaction r bhi bha dijiye

Please make video on replication also.

great explaination but need more videos on aggregation with join collections

sir can you share your notes with us i would be very grateful

Bhaiya meine mongo db abhi start kara hai kuch tips dedo jisse mein issey achhe se seekh jaaun

Bhai really apka voice bahut katarnak hai

Hello Sir, Can you share your docs with us?

Hey, Is there any platform available where we can practice mongodb queries.

Best Video on internet❤‍🔥 Maza agya

wow method

can someone explain me the use of dollar sign in aggregate quries

Bro, can you help me? I'm working with a MongoDB database with 5 million records. When I fetch the total count based on sum or query, the query execution is becoming very slow.

if two student have same age and same hobbies then what will be output?

sir data dal te dal te , fatt gai mere , please provide data in description.

Sir is your playlist is sufficient to learn mongodb ...as a node js developer

Sir Please database link

Last query with filter is not working. Please add correct query here.

Plz provide this data you are using we can practice by using it

Bro Engineering Digest very unique and attractive name

bro video on $facet and $bucket pls

👋👋🙏🙏 _id kaise age ho sakta hai id to id hai , ( _id:"$age") age acting like _id keya ho rah hai inha pe thora samjhaye , please clear this confusion ???👋👋🙏🙏 thora dhundne par pata chala isko accumulator object bolte hai .... thora ispe v batye .. please reply

i think u r from delhi😎

speak english

bro college teacher ki taraha , line by line padhke hindi translate mat karo

aap ka smjhana acha hay but behavior thora accha kariya bate thora dhang say koriya bohot karush lagata hay ..lakin apnay best aggregation concept samjaya hay .-__-

kuch samaj ni aaya bekaar vedio.

db.scoreDta.aggregate([{$group:{_id:null,avgScore:{$avg:{$filter:{input:"$scores" , as:"score",cond:{$gt:["$age",30]}}}}}}]);