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Collection Shell Commands in MongoDB

Create Collection

 Syntax: db.createCollection("Collection Name");

Example: db.createCollection("users");

Delete collection in Mongodb Shell Command

db.collection.drop() 

Find Collection in Mongodb Shell Command

db.collection.find()

Show all Collection in Mongodb Shell Command

show collections

Creat Collection in Mongodb Shell Command

db.createCollection("users")

Rename the Collection In Mongodb Shell Command

db.collection.renameCollection()  

Update the single document in MongoDB collections Shell Command

db.collection.updateOne() 

Updates all the documents in MongoDB collections that match the given query. 

db.collection.updateMany()

Replaces the first matching document in MongoDB collection

db.collection.replaceOne() 

Deletes the first document in Mongodb collection

db.collection.deleteOne() 

db.collection.deleteMany()

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insert document in collection mongodb

 Insert document in collection Two types of insert Insert single records:  Insert multiple records Insert single records:    syntax:  db.collection.insertOne(    <document>,    {       writeConcern: <document>    } ) Example 1:  db.users.insertOne({"name":"ram","email":"ram@gmail.com"})  Example 2:  db.users.insertOne( [{"employee":{"name":"ram","email":"ram@gmail.com"}}] ) Insert multiple records:   syntax : db.Collection_name.insertMany( [<document 1>, <document 2>, …], {     writeConcern: <document>,     ordered: <boolean> }) Example:  db.users.insertMany([{"name":"ram","email":"ram@gmail.com"},{"name":"raju","email":"raju@gmail.com"}])