use uber

db.createCollection("uber");

db.uber.insert({
  "Request id": "619",
  "Pickuppoint": "Airport",
  "Driverid": "1",
  "Status": "Trip Completed",
  "Request timestamp": "11/7/2016 11:51",
  "Drop timestamp": "11/7/2016 13:00"
});

db.uber.insert({
  "Request id": "267",
  "Pickuppoint": "City",
  "Driverid": "2",
  "Status": "Trip Completed",
  "Request timestamp": "11/7/2016 6:46",
  "Drop timestamp": "11/7/2016 7:25"
});

db.uber.insert({
  "Request id": "535",
  "Pickuppoint": "Airport",
  "Driverid": "3",
  "Status": "Trip Completed",
  "Request timestamp": "11/7/2016 10:00",
  "Drop timestamp": "11/7/2016 10:31"
});

db.uber.insert({
  "Request id": "3722",
  "Pickuppoint": "Airport",
  "Driverid": "4",
  "Status": "Trip Completed",
  "Request timestamp": "13-07-2016 19:57:59",
  "Drop timestamp": "13-07-2016 20:32:04"
});

db.uber.insert({
  "Request id": "1756",
  "Pickuppoint": "Airport",
  "Driverid": "5",
  "Status": "Trip Completed",
  "Request timestamp": "12/7/2016 8:40",
  "Drop timestamp": "12/7/2016 9:23"
});

db.uber.insert({
  "Request id": "5741",
  "Pickuppoint": "City",
  "Driverid": "6",
  "Status": "Trip Completed",
  "Request timestamp": "15-07-2016 07:52:51",
  "Drop timestamp": "15-07-2016 08:38:55"
});

db.uber.remove({Driverid:'6'});

db.uber.find();
by

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About MongoDB

MongoDB is a cross platform document oriented NoSQL database.

Key Features:

  • Designed to overcome the the limitations of relational databases approach and other NoSQL solutions
  • Horizontal scaling
  • Load balancing capabilities
  • Better data availability and stability

Syntax help

Commands

Inserting documents

  1. db.collection.insert(): Using insert you can either insert one document or array of documents
db.employees.insert(   {empId: 3, name: 'Ava', dept: 'Sales' });
  1. db.collection.insertOne(): Inserts one document
db.employees.insertOne(  {empId: 4, name: 'Nick', dept: 'Accounting' });
  1. db.collection.insertMany: Inserts multiple documents
db.employees.insertMany([
  {empId: 1, name: 'Clark', dept: 'Sales' },
  {empId: 2, name: 'Dave', dept: 'Accounting' }
]);

Updating documents

  1. db.collection.update() : Updates one or more than one document(s) in collection based on matching document and based on multi option
db.employees.update(   
  {empId: 3 },
  { $set: { region: "Asia" } }
);
  1. db.collection.updateOne() : Updates a single document in collection based on matching document
db.employees.updateOne(   
  {empId: 2 },
  { $set: { region: "Asia" } }
);
  1. db.collection.updateMany() : Updates multiple documents in collection based on the condition.
db.employees.updateMany(   
  { dept: 'Sales'},
  { $set: { region: "US" } }
);

Deleting documents

  1. db.collection.deleteOne(<filter>, <options>): Deletes a Single document from collection
db.employees.deleteOne({ empId: 1})
  1. db.collection.deleteMany(<filter>, <options>): Deletes all documents with matching filter
db.employees.deleteMany({ dept: 'Sales'})