Mongodb Tutorial for Beginners

In this tutorials will teach about mongodb database for beginners step by step. We have cover about the basic queries insert,update,find,delete,and,or.

View the employee records queries

db.getCollection('employee').find({})

Find queries

db.getCollection('employee').find({  name : "John" })

And Check both queries correct works

db.getCollection('employee').find({ name : "John" , age : 35 })

OR Check  either on correct works

db.getCollection('employee').find( 
{ $or: [ { age: 30}, { name: "John" } ] 
})

Insert queries

db.getCollection('records').insert( { name : "Kishan",age : 24,salary : 45000 })

Update queries

db.getCollection('employee').update( 
{name : "Kishan"},
{ $set: {age:34, salary: 40000}});

Delete queries

db.getCollection('employee').remove({ name : "Kishan"})

I have attached the video tutorial below it will help you  to do this  step by step.