// 1) Write a query to change the book copies to 2800 and increase the book price by 3000 for the BookCategory "Action and Adventure".
// 2) Display all the documents in the books collection.

// Collection Name: books

// The structure of the document is given below:
// {

//         "_id" : 1,

//         "BookId" : "ISBN:B001012:29836",

//         "BookTitle" : "Absalom, Absalom!",

//         "BookAuthor" : "William Faulkner",

//         "BookCategory" : "Action and Adventure",

//         "BookPrice" : 2387,

//       "BookCopies":4000,

//         "PublishDate" : ISODate("1931-12-30T00:00:00Z")

// }


db.employees.updateOne([{BookCategory:'Action and Adventure'},{$inc:{BookCopies:2800},{BookPrice:3000}}]);
db.employees.find();