Tutusfunny

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.