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Question 1: The table shown below lists dentist-patient appointment data. A patient is given an appointment at a specific time and date with a dentist located at a particular surgery. On each day of patient appointments, a dentist is allocated to a specific surgery for that day. Evaluate if the table shown above is normalized, if not describe and illustrate the process of normalizing the table shown above to third normal form. State any assumptions you make about the data shown in this table. Question 2: Please provide answers to problems 17 through 23 in Chapter 3 of Coronel book page 110. (10th edition page 101-102) (20 Points) Question 3: Please provide answers to problem 5 in Chapter 6 of Coronel book page 227. (10th edition page 217)
A view must be created to allow DigitalX employees to view all the products on backorder and the quantity of each on order. Your view must aggregate the data from the backorder products so that each product appears only once in the list.
Write a SELECT statement that returns four columns from the Products table: ProductCode, ProductName, ListPrice, and DiscountPercent. Then, run this statement to make sure it works correctly.
Write a SELECT statement that returns these two columns - CategoryName The CategoryName column from the Categories table
Write summary query which uses CUBE operator to return LineItemSum (which is the sum of InvoiceLineItemAmount) group by Account(an alias for AccountDesciption).
Write the SQL below that would display all Customers whose first name begins with the letter J. Your query should display the FirstName, LastName, Phone, and MembershipStatus fields from the tblMember table.
Prior to the adoption of SQL as a standard by the American National Standards Institute (ANSI), each database management system (DBMS) had its own unique command language and syntax. SQL was adopted as an ANSI standard in 1986. The International S..
Write SQL statement which creates user defined function which returns int value. This int return value is obtained by deducting the lowest Count field value from the highest Count field value of Part table.
Write your queries so that the final answers will never include duplicates, but add the keyword DISTINCT only in cases where duplicates would otherwise be produced.
1) Add 10 customers to the database using the Customers table. Show the table, including the SQL Code.2) Using SQL query, update more than one element in a customer record. Show before and after data, including the SQL code.
Create a problem definition for Williwonk's, as described in Problem 1. Estimate the weights of importance. Include at least one requirement and one constraint.
Write the command to list all the employees hired in 2003 and 2004. Sort the rows by the hire_date column in descending order.
What is an SQL injection attack? Explain how it works, and what precautions must be taken to prevent SQL injection attacks.What are two advantages of encrypting data stored in the database?
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