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Display the CustomerID from the Orders table and the sum of the associated ItemPrice multiplied by Quantity using Gross Sales (with a space) as the column name from the OrderItems table. Only show those orders where the Gross Sales is more than $500.00. Display the results in descending order by the gross sales.
To represent a problem description given in natural language as an (Enhanced) Entity -Relationship model; to convert the ER/EER model into a relational data model;
Write given queries in SQL and relational algebra: Determine cities from which one can fly to Toronto with one change of planes, and using same type of the aircraft for both legs of trip.
Write an SQL CREATE TABLE statement to create the PET table without referential integrity constraint on OwnerID in PET.
Write summary query which uses CUBE operator to return LineItemSum (which is the sum of InvoiceLineItemAmount) group by Account(an alias for AccountDesciption).
Create the detail report which will display all SCR courses in alphabetical order, with a course name and instructor name in the group header.
Draw an Entity-Relationship Diagram (ERD) for the data storage requirements of a business described in the case study and Data Model Transformation.
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?
Display all the LastNames from the Customers table and any associated OrdersIDs from the Orders Table. Show the LastName even if they do not have any associated orders. Order the results by LastName in ascending order.
Pretend that you are on the boards of the American National Standards Institute (ANSI) and the International Organization for Standards (ISO), two of the organizations who standardized SQL
As DBA, your manager called a meeting and asked why there are so many orders for customers that don't exist in the customer table. Write query which would shows which customers were missing for existing orders. Use a join or a subquery.
Write down a SQL insert statement to insert new row in "CDS" table.
Write a perl subroutine for temperature conversion named ' convert_temp '. It should be able to handle both Fahrenheit to Celsius conversions as well as Celsius to Fahrenheit conversions.
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