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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
In the assignment report provide explanation about each of the applied techniques. In your Excel workbook file place the results in separate columns in the corresponding spreadsheet.
Identify the potential sales and department store transactions that can be stored within the database. Justify how Big Data tools could be used for forecasting sales and inventory of the department store.
Determine the unit product cost of each of the company's two products under the traditional costing system
Assume that name1, name2, and name3 have been declared and use them in your code. Assume also that stdin is a variable that reference a scanner object associated with standard input.
question 1 what is the role of business process reengineering bpr in enhancing competitiveness? give examples to
Summarise the differences between the ETL process in the paper and that in the scenario.
1. create a function that returns the day of the week for a specified date.create or replace function
As an external consultant, you have been hired by Overstock.com to evaluate the effectiveness of the processes they undertook in implementing its ERP system and to present your evaluation in report format to the CEO Patrick Byrne
Create 2 tables customer with fields customer_id, customer_name, customer_street, customer_city and depositor customer_id, account_number, balance Set relation between the two tables: Perform the following query: 1) Show the records of depositor tabl..
Create a Microsoft Access database. Create the tables, fi elds, data types, and primary key(s) for the database. Create the relationship(s) needed between the tables.
Explain and support the database schema with relevant arguments that support the rationale for the structure
Determine the total amount of supervisory wages and factory utilities costs that would NOT be assigned to products.
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