User Account

All Pages

Write queries in sql and relational algebra

Assignment Help PL-SQL Programming
Reference no: EM1372351

Write following queries in SQL and relational algebra:

1) Find the airports with a direct flight to Toronto

2) Find airports with late flights to Toronto on a big plane. "Late" means departing after 9:00pm; "big" means with capacity 150 passengers or more

3) Find cities from which one can fly to Toronto with one change of planes, and using the same type of the aircraft for both legs of the trip.

Reference no: EM1372351

Questions Cloud

What mass of water flows from the nozzle : A village maintains a large tank with an open top, containing water for emergencies. The water can drain from the tank through a hose of diameter 6.65 cm. The hose ends with a nozzle of diameter 2.50 cm. A rubber stopper is inserted into the nozzl..
Marchetti action-adventure formula : Gina Marchetti writes about the link between genre and ideology. Describe this link and discuss how it works in a specific example from the action-adventure genre. Further, what are at least two ways that the action-adventure formula maintains ide..
What would be gravitational potential energy : In a performance test, each of two cars takes 9.40s to accelerate from rest to 25 m/s. Car A has a mass of 1288 kg, and car B has a mass of 1767 kg. Find the net average force that acts on (1) car A and (2) car B during the test.
Determine profit maximizing output : A monopolist's marginal revenue curve crosses its marginal cost curve a twenty per unit & one million units. the price that consumers are wants to pay is thirty per uint.
Write queries in sql and relational algebra : Write given queries in SQL and relational algebra: Determine cities from which one can fly to Toronto with one change of planes, and using same type of the aircraft for both legs of trip.
What is a subscriber cost per copy of newspaper : Wall Street Journal costs $206, payable now, for a two-year subscription. Newspaper is published 252 days per year. What is a subscriber's cost per copy of newspaper, taking interest into account.
Find the displacement in centimetres : A person wearing a seat belt can withstand an acceleration of -310m/s squared. How thick should barriers be to carefully stop a car that hits a barrier at 120km/h.
Organization or subdivision : Write a short paragraph regarding the organization or subdivision of that organization that you are studying in your SLP. Describe how people are formally and informally organized within your organization.
Compute percentage change of real exchange rate : Compute percentage change of real exchange rate between US and Japan in past year. Has US Dollar become weaker or stronger in real term.

Reviews

Write a Review

PL-SQL Programming Questions & Answers

  Create a database model

Create a database model and Submit the table creation statements for the Database Model.

  Write pl-sql procedures and functions

Write PL/SQL procedures and functions to populate and query that database

  Sql questions

Write a query to display using the employees table the EMPLOYEE_ID, FIRST_NAME, LAST_NAME and HIRE_DATE of every employee who was hired after to 1 January, 1995.

  Run the lab_03_01.sql script

Run the lab_03_01.sql script in the attached file to create the SAL_HISTORY table. Display the structure of the SAL_HISTORY table.

  Write sql queries

Write a query to display the last name, department number, and salary of any employee whose department number and salary both match the department number and salary of any employee who earns a commission.

  Explaining sql insert statement to insert new row in cds

Write down a SQL insert statement to insert new row in "CDS" table.

  Write down name of actors in ascending order

Write down actors (or actress, your choice, but not both) who have won at least two (2) Academy Awards for best actor/actress. Provide the actor name, movie title & year. Order the result by actor name."

  What is an sql injection attack

What is an SQL injection attack? Explain how it works, and what precautions must be taken to prevent SQL injection attacks.What are two advantages of encrypting data stored in the database?

  Determine resonant frequency in series rlc resonant circuit

Given the series RLC resonant circuit in the figure, operating at variable frequency, determine: The resonant frequency ω o ,  The circuit’s quality factor Q , The cut-off frequencies, f 1  & f 2  and the bandwidth BW

  Query that uses cube operator to return lineitemsum

Write summary query which uses CUBE operator to return LineItemSum (which is the sum of InvoiceLineItemAmount) group by Account(an alias for AccountDesciption).

  Query to show customers were missing for existing orders

As DBA, your manager called a meeting and asked why there are so many orders for customers that don't exist in the customer table. Write query which would shows which customers were missing for existing orders. Use a join or a subquery.

  Sql query into a relational algebra statement

Turn this SQL query into a relational algebra statement? SELECT Request.reqfor, Ordering.invamt, Ordering.invnbr, Ordering.invdat

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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