db.students.insertOne({
    name:"Munavar Jaseem",place:"Malappuram",number:65487
})
db.students.insertMany([
    {name:"Abhishek",place:"Kollam",number:15478},
    {name:"Sreejith",place:"Palakad",number:68465},
    {name:"Pranav",place:"Kochi",number:45781,class:12}
]
)
// db.students.find({name:"Pranav"})

// db.students.find().limit(1).skip(2)
// db.students.find().sort({number:1})
// db.students.updateOne({name:"Pranav"},{$set:{Place:"Ernakulam"}})
// db.students.find({name:"Pranav"})
// db.students.updateOne({name:"Pranav"},{$unset:{class:12}})
// db.students.find({name:"Pranav"})
// db.students.deleteOne({name:"Sreejith"})
// db.students.find({})