Proposing and creating a set of indexes-database schema

Assignment Help Other Subject
Reference no: EM13297809

1. Proposing and creating a set of indexes, based on your final database schema, that you expect to improve query running time; you must justify each proposed index by identifying which queries you expect to benefit from these indexes.

2. Improving the query performance by altering the database schema, e.g., de-normalization (reversing BCNF or 3NF to avoid joins), or further decomposition (to reduce the amount of useless data a query finds in each tuple). Please discuss how you will modify your schema to improve the query performance.

3. Evaluating the query speed up for selected queries which highlight the impact of your proposed optimizations. You also need to generate some dummy data for your tables

Reference no: EM13297809

Questions Cloud

Compute the maximum extension of the spring : A horizontal spring-mass system oscillates on a frictionless table. If the mass is 3.8 kg, the spring constant is 100 N/m, find the maximum extension of the spring
Function of the characters of miss prism and chasuble : What elements of the Restoration comedy are seen in The Importance of Being Earnest? What is the function of the characters of Miss Prism and Chasuble?
Explain gases contains the same number of molecules : Which one of the following pairs of gases contains the same number of molecules (a) 16 g of O2 and 14 g of N2 (b) 8 g of O2 and 22 g of CO2 (c) 28 g of N2 and 22 g of CO2 (d) 32 g of O2 and 32 g of N2
Determine how wide is the slit : When violet light of wavelength 415 nm falls on a single slit, it creates a central diffraction peak that is 8.80 cm wide on a screen that is 2.50m away
Proposing and creating a set of indexes-database schema : Proposing and creating a set of indexes, based on your final database schema, that you expect to improve query running time; you must justify each proposed index by identifying which queries you expect to benefit from these indexes.
What is the inventory turnover for 2014 : What is the inventory turnover for 2014?
Explain undergoes a reversible cyclic process : For a cyclic process, q/t=delta s, calculate delta s when 2 mol of water vapor at 200C at 1atm undergoes a reversible cyclic process for which q=-145 j/mol
What are the five broad areas of business activities : What are the five broad areas of business activities is covered by the income statement.
What is an income statement : What is an income statement, why is understanding an income statement important to both the investor and the company executives?

Reviews

Write a Review

Other Subject Questions & Answers

  Describe what is meant by motivation

Describe what is meant by motivation. What types of non-financial reward might a company use to motivate employees? Describe the effects of an unmotivated workforce on a company. How does Tesco benefit from ensuring that its workforce is motivated.

  Policy distinction between war on terror

Often times, groups like the Revolutionary Armed Forces of Columbia (FARC) are described as Narco-Terror groups. However, the U.S. makes a clear policy distinction between the war on terror, which is really a war to counter violent islamist extrem..

  Minds and memories driving around in bodies

We are not simply minds/memories driving around in bodies. We really are our bodies. We cannot just swap our minds into another body and remain the same person. What do you think of all this?

  Legal environment of business

There are many regulations written to protect investors, consumers, and financial markets. The securities act of 1933 is designed to protect investors by prohibiting fraud in securities.

  Longitudinal data-does your school setting collect such data

Longitudinal Data. Does your school setting collect such data? (yes) How is the data collected, analyzed, and used to make instructional decisions? How is the progress of various student subgroups monitored? Cite examples from your experiences or res..

  Philosophy and media

Identify a film, book, television show, or other form of media/art that involves characters/narrators reflecting upon the nature of identity and the self. Cite the media using correct APA citation - discuss rationalism, empiricism, or phenomenology..

  Why americans are so individualistic despite an interconnect

Using information from the Johnson article, explain why Americans are so individualistic despite an interconnected word How do you think individualism initially became one of America's core values

  Strenghts of cognitive behavioral therapy

Are there limitations and strenghts of Cognitive Behavioral Therapy?

  Crisp trucking using a two- factor apt model

An Analyst has modeled thesock of Crisp trucking using a two- factor APT model.

  Why is the gabrielli formula used for evaluation of injuries

When and why is the Gabrielli Formula used for evaluation of injuries? Give the Gabrielli Formula and explain the meaning of the different terms of the formula

  Describe how a country producing more capital goods

Describe how a country producing more capital goods rather than consumer goods ends up in the future with a PPF that is larger than a country that produces more consumer goods and fewer capital goods.

  Describe each area''s involvement in global patterns

In terms of Middle East and North Africa, analyze the relationship to global trade patterns changed from 1200-1750 describe each area's involvement in global patterns around them use 1200 as your starting point

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd