Discuss the different techniques for executing an equijoin of two files located at different sites. What main

Question:

Discuss the different techniques for executing an equijoin of two files located at different sites. What main factors affect the cost of data transfer?

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

Step by Step Answer:

Related Book For book-img-for-question

Fundamentals Of Database Systems

ISBN: 9780133970777

7th Edition

Authors: Ramez Elmasri, Shamkant Navathe

See More Books

Question Posted: Feb 16, 2022 07:16 AM

See More Questions

Discuss the semijoin method for executing an equijoin of two files located at different sites. Under what conditions is an equijoin strategy efficient?
Compare and contrast the different techniques for anomaly detection that were presented in Section 10.1.2. In particular, try to identify circumstances in which the definitions of anomalies used in...
Two different forecasting techniques were used to forecast demand for cases of bottled water in a store. Actual demand and the two sets of forecasts for seven periods are as follows: a. Calculate the...
A 10.231-g sample of window cleaner containing ammonia was diluted with 39.466 g of water. Then 4.373 g of solution were titrated with 14.22 mL of 0.1063 M HCl to reach a bromocresol green end point....
What is an emotion? What are the basic dimensions of emotion?
1. Dealerships for Subaru and other automobile manufacturers keep records of the mileage of cars they sell and service. Mileage data are used to remind customers of when they need to schedule service...
How is product quality, and how does it compare with that of competitors?
The Harrington Corporation is considering a change in its cash-only policy. The new terms would be net one period. Based on the following information, determine if Harrington should proceed or not....
The following data relate to the Torrence Company for May and August: May August Maintenance hours 20,000 25,000 Maintenance cost $ 1,262,000 $ 1,367,000 May and August were the lowest and highest...
Cell Pro makes cell phones and has weekly costs of $1500 for rent, utilities, and equipment plus labor and material costs of $18.50 for each phone it makes. (a) If x represents the number of phones...
What are the different stages of processing a query in a DDBMS?
Discuss the factors that affect query decomposition. How are guard conditions and attribute lists of fragments used during the query decomposition process?
Joyce is the director of manufacturing for Titan Industries, which is considering building a new facility in the Midwest. The demand for the product manufactured in the facility will be either strong...
Use z scores to compare the given values. Based on sample data, newborn males have weights with a mean of 3240.3 g and a standard deviation of 675.8 g. Newborn females have weights with a mean of...
Compare the given pulse rates of the females and males using boxplots. Female 80 94 Male 84 74 50
In Exercises 29-32, compute the mean of the data summarized in the frequency distribution. Also, compare the computed means to the actual means obtained by using the original list of data values,...
Floyd's Bumpers has distribution centers in Lafayette, Indiana; Charlotte, North Carolina; Los Angeles, California; Dallas, Texas; and Pittsburgh, Pennsylvania. Each distribution center carries all...
In this assignment you are asked to open the Excel Spreadsheet for YP Enterprises (March 2019) and complete the section entitled Ratios 2019 (highlighted in yellow). This will require you to...
Using the present value tables, solve the following. Required: 1. What is the present value on January 1, 2019, of $30,000 due on January 1, 2023, and discounted at 10% compounded annually? 2. What...
For Problem estimate the change in y for the given change in x. y = f(x), f'(12) = 30, x increases from 12 to 12.2
With HTTP streaming, are the TCP receive buffer and the clients application buffer the same thing? If not, how do they interact?
Consider the procedure described in Section 9.3 for estimating average delay d i . Suppose that u = 0.1. Let r 1 t 1 be the most recent sample delay, let r 2 t 2 be the next most recent sample...
List three disadvantages of UDP streaming.
Milano Pizza is a small neighborhood pizzeria that has a small area for in-store dining as well as offering take-out and free home delivery services. The pizzerias owner has determined that the shop...
Which of the following statement regarding a post-closing trial balance is not true
What are the benefits and potential risks factors for undertaking derivative strategies compared to cash transactions

Discuss the different techniques for executing an equijoin of two files located at different sites. What main

Question:

Step by Step Answer:

Technique 1 Transfer second table from 2nd site to 2nd table first site and ...View the full answer

Fundamentals Of Database Systems

Students also viewed these Computer science questions