Describe how partial aggregation can be implemented for the count and avg aggregate functions to reduce data
Question:
Describe how partial aggregation can be implemented for the count and avg aggregate functions to reduce data transfer.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 75% (8 reviews)
Partial aggregation can be implemented for the count and avg ...View the full answer
Answered By
Marvine Ekina
Marvine Ekina
Dedicated and experienced Academic Tutor with a proven track record for helping students to improve their academic performance. Adept at evaluating students and creating learning plans based on their strengths and weaknesses. Bringing forth a devotion to education and helping others to achieve their academic and life goals.
PERSONAL INFORMATION
Address: , ,
Nationality:
Driving License:
Hobbies: reading
SKILLS
????? Problem Solving Skills
????? Predictive Modeling
????? Customer Service Skills
????? Creative Problem Solving Skills
????? Strong Analytical Skills
????? Project Management Skills
????? Multitasking Skills
????? Leadership Skills
????? Curriculum Development
????? Excellent Communication Skills
????? SAT Prep
????? Knowledge of Educational Philosophies
????? Informal and Formal Assessments
0.00
0 Reviews
10+ Question Solved
Related Book For
Database System Concepts
ISBN: 9780078022159
7th Edition
Authors: Abraham Silberschatz, Henry F. Korth, S. Sudarshan
Question Posted:
Students also viewed these Computer science questions
-
Explain how a stop-loss trading rule can be implemented for the writer of an out-of-the-money call option. Why does it provide a relatively poor hedge?
-
Describe how investing in more than one asset can reduce risk through diversification.
-
How can transfer pricing be used to reduce the amount of withholding taxes paid to a government on dividends remitted to a foreign stockholder?
-
Write an HTML document to create a form that collects favorite popular songs, including the name of the song, the composer, and the performing artist or group. This document must call one PHP script...
-
The mean time between failures for a Telektronic Company radio used in light aircraft is 420 hours. After 15 new radios were modified in an attempt to improve reliability, tests were conducted to...
-
Cost-containment strategies embraced by MCOs were a direct result of the FFS experience with ever-increasing utilization and healthcare costs. However, many consumers and providers chafe at the...
-
Blood (assume \(\mu=4.5 \times 10^{-5} \mathrm{lb} \cdot \mathrm{s} / \mathrm{ft}^{2}, S G=1.0\) ) flows through an artery in the neck of a giraffe from its heart to its head at a rate of \(2.5...
-
1. Use descriptive statistics to summarize the data from the two studies. What are your preliminary observations about the depression scores? 2. Use analysis of variance on both data sets. State the...
-
Based on an aging of accounts receivables, management assigned 1% to the $100,000 of receivables 0-30 days outstanding, 5% to the $10,000 receivables 31-60 days and 20% to the $1,000 of receivables...
-
What is the reduced form of the function F = X(X+Y)+ X(X+Y)? ) Y b) ) 0 d) 1
-
Suppose relation r is stored partitioned and indexed on A, and s is stored partitioned and indexed on B. Consider the join r r.B=s.B s. Suppose s is relatively small, but not small enough to make...
-
Suppose relation r is stored partitioned and indexed on A, and s is stored partitioned and indexed on B. Consider the query: a. Give a parallel query plan using the exchange operator, for computing...
-
What does descriptive research tell us about managerial decision making, planning, and problem solving?
-
3 A block of mass M-25 kg is attached to the cord wound on the drum of diameter 100 mm and it is allowed to fall under the action of gravity (see Figure B3). The drum is firmly attached to gear A,...
-
Why do we typically consider economies where the endowment when young is greater than the endowment when old? Consider a model economy as described in Module 1, but assume that workers are endowed...
-
Question 3 (20 marks) a). Let X, be iid, E(X) = and Var(X) = o. Set X = Xi/n. Show that i=1 n (X-X) 0 n i=1 (10 marks) b). Suppose X, x 1 are independent random variables and suppose that X, has...
-
6. If a company is implementing a Kanban system and has captured the following data, how many Kanbans do they need in their system? The company is conservative and does not want to run out of...
-
a). i) Define a field (also known as algebra) as used in the measure and probability theory. State the conditions that a given filed say A must meet in order to be a field. (4 marks) ii) Consider a...
-
Show that the inverse of However, the inverse of What is M-1? 1 0 0 -b 01 0 01c 0 2 lab
-
Perform the indicated operations. In designing a cam for a fire engine pump, the expression is used. Simplify this expression. (3) (3 4 32
-
Show how to express group by cube (a, b, c, d) using rollup; your answer should have only one group by clause.
-
Give an example of a pair of groupings that cannot be expressed by using a single group by clause with cube and rollup.
-
Given a relation S (student, subject, marks), write a query to find the top n students by total marks, by using ranking.
-
You have just been hired by FAB Corporation, the manufacturer of a revolutionary new garage door opening device. The president asked you to review the company's costing system and "do what you can to...
-
American Food Services, Incorporated, acquired a packaging machine from Barton and Barton Corporation. Barton and Barton completed construction of the machine on January 1, 2024. . In payment for the...
-
On April 1, 2022, Guy Comeau and Amelie Lavoi formed a partnership in Ontario. Contribution Profit sharing Cash withdrawal March 20, 2023 Comeau $286,100 cash Lavoi $218,000 land $132,500 building...
Study smarter with the SolutionInn App