/* Exc 1
use ("Practice")
/*
Insert documents
*/
/*
db.students.insertMany([
{
"name":"Johnson",
"student_id":70012345,
"address":{
"street":"10 Downing Street",
"city":"Kansas City",
"State":"KS"
},
"contacts":{
"phone_number":[
816123456,
800123456
],
"Emails":[
"johnson@gmail.com, johnson@yahoo.com"
]
}
},
{
"name":"Kate",
"student_id":700777888,
"address":{
"street":"888 Washington Street",
"city":"Kansas City",
"State":"MO"
},
"contacts":{
"Emails":[
"kate@hotmail.com",
"kate@gmail.com"
]
}
}
])
db.students.updateOne(
{name : 'Kate', 'contacts.Emails' : 'kate@hotmail.com'},
{$set : {'contacts.Emails.$': 'kate@yahoo.com'}}
)
db.students. nd();
*/
fi
// Exc 2
/*
use('Books');
db.data. nd({
$or : [
{categories : {$regex : 'Software'}},
{categories : {$regex : 'Programming'}},
]
})
*/
//Exc 3
/*
use('sample_m ix');
fi
fl
fi
fi
const movie_id = db.comments.distinct("movie_id", {name : 'Robert Baratheon'})
db.results.drop();
movie_id.forEach(function(id){
const movie = db.movies. ndOne({_id: id});
db.results.insertOne(movie);
})
db.results. nd({}, {_id:0, title:1}).limit(3)
*/