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Question: Using the example of a medical clinic with patients and tests, provide a simple representation of how to model this example using the relational model and how it would be represented using the key-value data modeling technique.
Create an Entity-Relationship (E-R) Diagram relating the tables of your database schema through the use of graphical tools in Microsoft Visio or an open source alternative such as Dia.
Design and present a data collection table that you will use to collect and monitor data pertaining to the second of two simulations when it starts. The data that you will collect should be determined based on what you learn from the simulation in..
Object-oriented databases, Write a paper that describes the topic in detail. Include descriptions covering the following subject areas
Write a query that performs an inner join of the grade, student, and grade_type tables using ANSI SQL 99 syntax (JOIN ON).
Using Join, list the items each customer ordered where the billing_price was lower than the item price (item, billing_price, and price). Sort the results alphabetically by customer name.
Create and PRINT a select query that lists the book title and List Price for all book title startwith Life. Save this query as KellyCaseC before you print it
Write pseudo code for MAKE-SET, FIND-SET, and UNION using the linked-list representation and the weighted-union heuristic. Make sure to specify the attributes that you assume for set objects and list objects.
Discuss the importance of planning the implementation of a database application. What are some of the pitfalls of not planning for the implementation of a database application
Describe the basic mechanisms for accessing relational databases from various types of application development environments.
Write SQL statements that do the following: Calculate the average salary for all employees. Calculate the maximum salaries for exempt and non-exempt employees.
In a database, the primary key field is used to
Create an update query to select all records in the tblOverPriced, decrease the Price field values by 10%, run and close the query.
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