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Write the following queries in Datalog and SQL3 syntax:
1. Find the flno of all flights that depart from Madison.
2. Find the flno of all flights that leave Chicago after Flight 101 arrives in Chicago and nolater than one hour after.
3. Find the flno of all flights that do not depart from Madison.
4. Find all cities reachable from Madison through a series of one or more connecting flights.
5. Find all cities reachable from Madison through a chain of one or more connecting flights,with no more than one hour spent on any connection. (That is, every connecting flightmust depart within an hour of the arrival of the previous flight in the chain.)
6. Find the shortest time to fly from Madison to Madras, using a chain of one or moreconnecting flights.
7. Find the flno of all flights that do not depart from Madison or a city that is reachable
Create a class called TestSystem and write atest method which tests your system using a scenario. In your report document, describe the testing scenario and the expected behaviour of your system. Provide screen shots of your system testing in your..
Data Manipulation in EXCEL-How to enter in data manually to an EXCEL spreadsheet and then create formulas to perform calculations on that data. In this lesson, you will learn how to import data to EXCEL from an external source,use tools built-in t..
an organization has several operational systems customer relationship management crm for marketing and sales enterprise
Implement that entity as a database table with two subtypes, Games and Movie.
Explain what information is available from relational database containing one relation with attributes Name, Employee identification number, and Address which is not available.
Determine requirements (hardware, software) and time necessary for the deployment of a data warehousing solution. Assignment: Determine requirements and timing deployment of a data warehousing solution
What is the order P of the B+-tree if B+-tree access structure on the key is constructed? What is the number of leaf-level blocks needed if blocks are approximately 69% full (round up for convenience)?
Explain in detail with supporting illustrations the six stages of the problem solving process and explain when the choice for using electronic spreadsheets is the preferred tool of choice.
How can I read and write serialized objects to and from a database? Can a Vector or a Hashtable be serialized and deserialized?
Write an SQL query to get the author of the book "The Alchemist"
Consider a video game store. For each game, the database contains information about title, producing company name, designer(s) name(s), version of the game, type of the game and characters in the game.
Create a database with at least one table with MS Access. Add drop-down lists (combo boxes), validation rules, and input masks as required.
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