Describe a minimum of three heuristics to optimize queries

Assignment Help Database Management System
Reference no: EM13334429

Your supervisors and customers are very impressed with the database you have put together. However, there is still that questioning executive that wants validation the database is useful; after all, he is saying that we have put a lot of data in, but does not see information out. To this end, you will be designing reports / queries that will be of use to the restaurant executives and other managers of the company.

Write a 2-3 page paper in which you:

Describe a minimum of three (3) heuristics to optimize Queries.

Provide the SQL code (and screen shots) based on the following criteria:

You must deliver five (5) queries in total for this assignment.

One of your five queries must select from three (3) different tables.

Four of your queries must select from two (2) tables.

Include comments on how you are using the optimization rules you described and discussed earlier.

Use at least three (3) quality resources in this assignment. Note: Wikipedia and similar Websites do not qualify as quality resources.
Your assignment must follow these formatting requirements:

Be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides; citations and references must follow APA or school-specific format. Check with your professor for any additional instructions.

Reference no: EM13334429

Questions Cloud

What is correlation coefficient between returns of two stock : The standard deviation of Einstein is 0.26, and the standard deviation of Bohr is 0.37. What is the correlation coefficient between the returns of the two stocks
What is the total work done on her : A 50-kg parachutist falls from a height of 2000 m to the ground. Her final speed is 4 m/s. what is the total work done on her
Description of different products and visualisation : Description of different products and visualisation of outcome is at page 13. Variables - e.g. used interest rate, investment performance, inflation, life expectancy should be changeable.
Compute the bias of the random variable : For each of the eight DES S-boxes, compute the bias of the random variable X2 ⊕ Y1 ⊕ Y2 ⊕ Y3 ⊕ Y4. (Note that the DES S-boxes map 6-bit input to 4-bit output and are therefore not invertible. But this should not concern you here.)
Describe a minimum of three heuristics to optimize queries : Be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides; citations and references must follow APA or school-specific format. Check with your professor for any additional instructions.
Determine what is the total value of turner corp : Turner Corp. has debt of $230 million and generated a net income of $121 million in the last fiscal year. In attempting to determine the total value of the firm, an investor identified a similar firm in Jacobs, Inc
What is the direct manufacturing labor budget in dollars : The production process required direct labor at tow skill levels (1) ingredient preparation, $18 pre hour, and (2) COOKING AND CANNING, $24 PER HOUR.
What was the capacitors initial voltage : A 1.8 micro F capacitor is discharged, starting at t=0s. The displacement current through the plates is Idisp = (13A)exp(-t/2.5micro s)
Explain at what rate is the na2o2 consumed in grams per hour : If the CO2 and O2 in the above reaction are measured at the same temperature and pressure, 1. How many milliliters of O2 are produced per minute. 2. At what rate is the Na2O2 consumed, in grams per hour

Reviews

Write a Review

Database Management System Questions & Answers

  Explain the need for key restructuring

Give at least three reasons why ETL functions are most challenging in a data warehouse environment.

  List the requirements for this eer diagram

Given the following EER diagram of the Museum Database.

  Design er schema to keep track of information of votes

Design an er schema for keeping track of information about votes taken in the U.S. House of Representatives during the current two year congressional session.

  Draw an er diagram for database scenario

Draw an ER diagram for database scenario. Design a set of 3NF tables for your database scenario.

  Explain what information is available in relational database

Explain what information is available from relational database containing one relation with attributes Name, Employee identification number, and Address which is not available.

  Relational algebra operations

List the sequence of relational algebra operations needed to implement the queries.

  Draw the er diagram using industral-style notations

Each department is described by a name, department code, office number, office phone, and college. Both name and code have unique values for each department.

  Completing transaction using sql

Write down the complete transaction using SQL.

  Draw the e/r diagrams for the business rules

Draw the E/R diagrams for the business rules

  What is the drawback of using end-to-end security

You will find an abundance of materials on this subject within the databases located within IEEE & ACM digital libraries. But don't forget that especially in the Networking technologies RFC's and other related standards are the most authoritative ..

  Role of metadata in data acquisition process

You are a vice president of marketing for a nation-wide appliance manufacturer with three production plants. Explain different ways you would tend to analyze your sales. What are the business dimensions for your analysis?

  Write set of relational schemas-identify primary-foreign key

Sketch an E-R diagram which reflects the above reuirements. Write a set of relational schemas and identify primary and foreign keys. Try not to include redundant schemas.

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