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The Southern Rail Company ships coal by rail from three coal mines to meet the demand requirements of four coal depots. The following table shows the distances from the mines to the various depots and the availabilities and requirements for coal.
Determine the best shipment of coal cars to minimize the total miles traveled by the cars.
TO: Columbia, Albany, Springfield, Pleasatanburg Supply cars
FROM: Parris 50 30 60 70 35
Butler 20 80 10 90 60
Century 100 40 80 30 25
your database has been a hit. you have been called back to the customers headquarters and they want a detailed report
What criteria would you use in selecting a life-cycle model for the project?
Write down the advantages and disadvantages of working with multiple tables? Write an example of situation where multiple tables would be suitable in the application.
Develop a RDBMS (Relational Database Management System) in Python. The RDBMS should actually be written in Python, not just interface with some other DBMS. This system should track students: Personal Data, Schedules and Grades. The system should cont..
A point of synchronization between the database and the transaction log is called a(n): An ACID transaction is one that is:
Design and draw an ER diagram that captures the information about the university. Use only the basic ER model here, that is, entities, relationships, and attributes.
Describe briefly what are the main benefits of using DBMS to manage data in program applications involving extensive data access.
Using the Northwind database, write a script to insert the following data: new Category
Write a function 'Max' that takes an int array and the size of the array as input and returns the largest element of the array. The function should look like the following.
Explain the context in which Normalization is used?
Design a high-level conceptual view of a data warehouse using Microsoft Visio that shows the following: Integration layers and The data warehouse
Course: data mining. Require a 7 page essay on subjects: Warehouse Architectures: the paper requires to contain information about centralized, federated, and tiered data warehouse.
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