What is the difference between a replacement update and an operator update in MongoDB?

Question:

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Database Systems Design Implementation and Management

ISBN: 978-1337627900

13th edition

Authors: Carlos Coronel, Steven Morris

See More Books

Question Posted: Dec 20, 2018 04:52 AM

See More Questions

What is the difference between an INSERT command and an UPDATE command?
What is the difference between resident set management and page replacement policy?
What is the difference between a Cross Join, an Inner Join, and an Outer Join?
In the game of roulette, a gambler who wins the bet receives $36 for every dollar she or he bet. A gambler who does not win receives nothing. If the gambler bets $1, what is the expected value of the...
Accounts receivable transactions are provided below for J Looney Co. Dec. 31, 2016 The company estimated that 5% of its accounts receivable would become uncollectible. The balances in the Accounts...
Referring to the circuit shown in Fig. 5.77 , determine V o in terms of V 1 and V 2 . 200 k2 100 k2 100 kQ 10 V, V2 Vo 40 2
What are the major activities of implementation? How do they relate to each other?
Tomorrows Electronic Center began October with 90 units of merchandise inventory that cost $ 70 each. During October, the store made the following purchases: Oct. 3 20 units @ $ 75 each 12 40 units @...
1. A small company produces a product (X) that requires two types of inputs, A and B during production. Each unit of X requires exactly 5 units of A and 2.5 units of B. If the cost of A is $10 a unit...
A skydiver weighs 125 pounds, and her parachute and equipment combined weigh another 35 pounds. After exiting from a plane at an altitude of 15,000 feet, she waits 15 seconds and opens her parachute....
Create an Order data entry screen, using the ORDERS and ORDER_LINE tables in the RobCor database. (To complete this problem successfully, you should know how to use frames and ColdFusion tags. Please...
Explain what an upsert does.
Write a method that tests whether a file name should come before or after another. File names are first sorted by their extension (the string after the last period) and then by the name part (the...
Explain why a complete ban on plastic bags would be inefficient. Plans to curtail use of plastic bags, but not much action Last summer, Seattle approved a 20-cents charge on plastic shopping bags,...
One can run and test any Oracle package with a stored procedure directly in the Oracle SQL Developer environment. (True/False)
Explain how Chinas price controls have changed consumer surplus, producer surplus, total surplus, and the deadweight loss in the markets for coal, gasoline, and diesel. Chinese power plants have run...
One needs to use a object as an image holder, a object as a tool to display an image and a class as a monitor to coordinate image processing. a. Canvas, MediaTracker, Graphics b. Graphics,...
Generally, a connection url contains three parts, , and , for the database to be connected. a. Subname, sub-protocol, sub-protocol name b. Protocol name, sub-protocol, subname c. Protocol name,...
From the following list, identify the accounts that should be closed at the end of the fiscal year under a perpetual inventory system: (a) Accounts Payable, (b) Advertising Expense, (c) Cost of Goods...
In Exercises 15 through 30, find the derivative dy/dx. In some of these problems, you may need to use implicit differentiation or logarithmic differentiation. y ex + et -2x 1 + e
What indexes would you recommend for the query you wrote in Problem 30, and what SQL commands would you use?
Discuss the possible data request scenarios in a distributed database environment, single request accessing a single remote database. Figure D12.1 Single Request to Single RemoteDBMS REQUESI OBMS
Multiple requests accessing multiple remote databases, Figure D12.3 Multiple requests, Multiple RemoteDBMSes REQUEST REQUESIT REQUEST DONAS REQUESI DBMS REQUESIT
Skysong needs to calculate the company's expected cash receipts for the upcoming month to determine whether additional financing is needed. Typically, the company's sales consist of 40% cash sales...
The value of NSE index is 1140. The continously compunded risk free rate is 4.6% amnd continous dividend yield is 2.1%. Calculate the no arbitrage price for a 140 day forward contract on the index
Explain why MNCs such as Coca Cola and PepsiCo, Inc., still have numerous opportunities for international expansion. Explain briefly

What is the difference between a replacement update and an operator update in MongoDB?

Question:

Step by Step Answer:

In MongoDB a replacement update will replace the entire document being updated If the existi...View the full answer

Database Systems Design Implementation and Management

Students also viewed these Computer science questions