Relational Database Design A) Given the following business rules, identify entity types, attributes (at least two attributes for each entity, including the primary key) and relationships, and then draw an Entity-Relation ...
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Question: Suppose a Prolog database exists that gives information about states and capital cities. Some cities are big, others small. Some states are eastern, others are western. a. Write a query to find all the small ca ...
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The case study company received a detailed report from the ECM consultant with a detailed list of data requirements, tools, and processes that are currently used to manage this data. The chief executive officer (CEO) and ...
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Database Design & Development Assignment - Assignment title - Design and Implement a Relational Database for a local Print and Ink Refill Business. Learning Outcome - Use an appropriate design tool to design a relational ...
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SQL Assignment In these exercises, you'll enter and run your own SELECT statements. You will use the MyGuitarShop database for these queries. If you do not already have the MyGuitarShop database, the SQL script and the i ...
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A School's office of the registrar maintains data about the following entities: a) courses (including course number, title, credits, syllabus and prerequisites), b) course offerings (including course number, year, semest ...
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You are in a real estate business renting apartments to customers. Your job is to define an appropriate schema using SQL DDL in MySQL. The relations are Property(Id, Address, NumberOfUnits), Unit(ApartmentNumber, Propert ...
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Suppose that you have designed a database for Morgan Importing that has the following tables: EMPLOYEE (EmployeeID, LastName, FirstName, Department, Phone, Fax, EmailAddress) STORE (StoreName, City, Country, Phone, Fax, ...
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Select * From E, D, P WHERE E.dept=D.dept AND D.city=P.city AND D.budget>1M AND P.priority=A; Assuming relations have the same size and uniform distributions, what is the best plan with Nested Loop joins only? Write it a ...
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Query 1: The bookstore has decided to keep track of the vendors' information. In order to do this, one new table will be added to the database. The schema for this table, as related to the existing tables, is the followi ...
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