Based on the ER model shown in Figure P11.7 and on the query shown after the figure.
Question:
Figure P11.7:
Should you create an index? Why or why not?
Transcribed Image Text:
INVOICE CUSTOMER LINE PK Cus CODE PK INV_NUMBER PK,FK1 INV_NUMBER LINE_NUMBER contains generates FK1 Cus CODE INV DATE Cus_LNAME cus_FNAME Cus_INITIAL Cus AREACODE cus PHONE Cus BALANCE FK2 P_CODE LINE_UNITS LINE_PRICE is found i VENDOR PRODUCT | Pк |у соDE PK P CODE V_NAME V_CONTACT V_AREACODE V_PHONE V_STATE V_ORDER P_DESCRIPT P_INDATE P_QOH P_MIN P_PRICE P_DISCOUNT V_CODE supplies FK1
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 83% (6 reviews)
Yes you should create an index becau...View the full answer
Answered By
Somshukla Chakraborty
I have a teaching experience of more than 4 years by now in diverse subjects like History,Geography,Political Science,Sociology,Business Enterprise,Economics,Environmental Management etc.I teach students from classes 9-12 and undergraduate students.I boards I handle are IB,IGCSE, state boards,ICSE, CBSE.I am passionate about teaching.Full satisfaction of the students is my main goal.
I have completed my graduation and master's in history from Jadavpur University Kolkata,India in 2012 and I have completed my B.Ed from the same University in 2013. I have taught in a reputed school of Kolkata (subjects-History,Geography,Civics,Political Science) from 2014-2016.I worked as a guest lecturer of history in a college of Kolkata for 2 years teaching students of 1st ,2nd and 3rd year. I taught Ancient and Modern Indian history there.I have taught in another school in Mohali,Punjab teaching students from classes 9-12.Presently I am working as an online tutor with concept tutors,Bangalore,India(Carve Niche Pvt.Ltd.) for the last 1year and also have been appointed as an online history tutor by Course Hero(California,U.S) and Vidyalai.com(Chennai,India).
4.00+
2+ Reviews
10+ Question Solved
Related Book For
Database Systems Design Implementation and Management
ISBN: 978-1337627900
13th edition
Authors: Carlos Coronel, Steven Morris
Question Posted:
Students also viewed these Computer science questions
-
(a) Current density is ultimately determined by conservation of charge. If we define n=4*4 then show using the Schrodinger equation that the current density operator y.ddv.) dr dr J satisfies the...
-
Should you create an index on P_CODE? If so, write the SQL command to create that index. If not, explain your reasoning.
-
Should you create an index on EMP_DOB? Why or why not?
-
What is unrealistic about the domino fault model?
-
Glans Company purchased equipment on account on April 6, 2015, at an invoice price of $442,000. On April 7, 2015, it paid $4,000 for delivery of the equipment. A one-year, $3,000 insurance policy on...
-
The following information is available regarding the accounts receivable of Club Fit Holdings at August 31, 2020: Club Fit estimates uncollectability of accounts receivable using the following rates:...
-
You own a portfolio equally invested in a risk-free asset and two stocks. If one of the stocks has a beta of 1.6 and the total portfolio is exactly as risky as the market, what must the beta be for...
-
The two accompanying diagrams show supply and demand curves for two substitute commodities: tapes and compact discs (CDs). a. On the right-hand diagram, show what happens when rising raw material...
-
The idea of ____________ employment is one that is still debated among academics. In other words, academics are engaged in debating for what reasons firing an employee is ethical. Group of answer...
-
Lombard Ltd has been offered a contract for which there is available production capacity. The contract is for 20,000 identical items, manufactured by an intricate assembly operation, to be produced...
-
Based on the ER model shown in Figure P11.7 and on the query shown after the figure. Figure P11.7: What is the likely data sparsity of the P_PRICE column? INVOICE CUSTOMER LINE PK Cus CODE PK...
-
Based on the following query: SELECT P_CODE, SUM(LINE_UNITS) FROM LINE GROUP BY P_CODE HAVING SUM(LINE_UNITS) > (SELECT MAX(LINE_UNITS) FROM LINE); What is the likely data sparsity of the LINE_UNITS...
-
Guyan Machinery, a West Virginia manufacturing corporation, hired Albert Voorhees as a salesman and required him to sign a contract stating that if he left Guyan, he would not work for a competing...
-
Smith, CPA, has decided to assess control risk applicable to the existence of accounts receivable at a low level. Smith plans to use sampling to obtain substantive evidence concerning the existence...
-
An auditor searching for related party transactions should obtain an understanding of each subsidiary's relationship to the total entity because a. This may permit the audit of intercompany account...
-
The standard bank confirmation provides the auditor with evidence relating to accounts other than cash. State how this is done.
-
Analytical procedures used in the overall review stage of an audit generally include a. Gathering evidence concerning account balances that have not changed from the prior year. b. Retesting control...
-
In the audit of accounts receivable an auditor sends confirmations to all customers with balances of \(\$ 50,000\) or more and to a sample of 25 percent of the customers with balances of less than...
-
Use a graphing utility to graph the following curves. Be sure to choose an interval for the parameter that generates all features of interest. x = t cos t, y = t sin t; t 0
-
Calculate the electrical conductivity of a fiber-reinforced polyethylene part that is reinforced with 20 vol % of continuous, aligned nickel fibers.
-
Suppose that someone tells you that an attribute that is part of a composite primary key is also a candidate key. How would you respond to that statement?
-
Suppose that someone tells you that an attribute that is part of a composite primary key is also a candidate key. How would you respond to that statement?
-
When is a table in BCNF?
-
Le Boyer Bakery Company had the following transactions during 2021. Sales of $9,000 on account Collected $4,000 for services to be performed in 2022 Paid $2,650 cash in salaries Purchased airline...
-
What is an attractive gross margin and profit margin for a business to be successful? A 10 percent gross margin and a 3 percent profit margin A 25 percent gross margin and a 5 percent profit margin A...
-
7. Victory Construction LLC leases a crane that would likely be in use for another 15 years. Under which of the following circumstances might the lease most likely be classified as an operating...
Study smarter with the SolutionInn App