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DPC Antiques Data Set (Focus - GROUP BY & Aggregate):
1. Write an SQL statement that displays the training names and training costs for courses that cost between 1000 and 1200. Don't use the BETWEEN Clause. 2. Using the BETWEEN Clause, write an SQL statement that displays the training names and training costs for courses that cost between 1000 and 1200. Order the output by Training Cost from highest to lowest. 3. Write an SQL statement that displays training IDs and Training names for all courses that contain the word ‘customer' in the training description. Order the output by training name from A-Z. 4. Write an SQL statement that shows any Null values for States in the CUSTOMER Table. 5. Write an SQL statement to count the number of customers in the CUSTOMER Table. Include an Aliases when appropriate. 6. Write an SQL statement that counts the number of customers from Texas. Include an 7. Write an SQL statement that show the last name closest to Z. Include an Aliases when appropriate. 8. Write an SQL statement that lists last names and first names of all customers. Order the rows from A to Z for last name first, and then first name. 9. Write an SQL statement that shows the lowest and highest employee commission. Include an Aliases when appropriate. 10. Write an SQL statement that shows the employees ID and highest employee commission. Group the data by employees ID. Include an Aliases when appropriate. 11. Write an SQL statement that shows the Customers ID and largest purchase. Don't include groups where the largest purchase was less than 1000. Include an Aliases when appropriate. 12. Write an SQL statement that shows Gender, and the total number or men and women that work for DPC Antiques. Order the output by the total from highest to lowest. Include an Aliases when appropriate. 13. Write an SQL statement that shows the average salary of each employee. Don't include salaries below 30000 in the calculation. Include an Aliases where appropriate. 14. Write an SQL statement that shows the State and average salary of each employee. Don't include salaries below 40000 in the calculation. Include an Aliases when appropriate. In addition, group the averages by State. Don't include groups with less than 2 employees. 15. Write an SQL statement that shows employee IDs that earned an A or B in the training with a training ID of 1. 16. Write an SQL statement that shows employee IDs that have completed more than one class with a grade of B or better. Include an Aliases when appropriate.
your lecturer will place several links in interact to a number of relevant articles andor case studies. these will be
Define and discuss the concept of transitive dependency. What is a surrogate key, and when should you use one? What is a partial dependency? With what normal form is it associated?
Create a new index for the tblTherapist table based on the Lastfield. The index should Allow for duplicate values. Save and close the tblTherapist table. Create a Select querybased on the tblPatient table.
SQL implements VPD using the VIEW object while Oracle10g provides specific functions for row-level security and fine-grained access.
How many models of the Titanic have been shipped? What was the date of the first shipment and when was the last shipment sent - Write SQL SELECT statements to retrieve
Write a five pages research paper about Oracle, Microsoft SQL server, SyBase, DB2 and MySQL. The paper is focus on Enitity/Relation model and relational database. You need to provide the hosories of ER Model and relational databases.
In Word, identify a potential database application. It should be based on data you understand well, such as student data (refer to text), a hobby (see Lesson 8), or a set of data you use on the job. When you have made your choice, proceed to Step ..
create a table having all combinations of Ice cream: chocolate, vanilla, coffee, strawberry.
Explain how linked data can be used in semantic web applications and give suggestions forhow linked data might be used with the representations you have created
1. What are the limitations of conventional approach of managing data? Explain.2. For what record size will clustering be of no benefit to improve performance? Can a table have clustering on multiple fields simultaneously?
Create ERD containing Order and Customer entity types connected by 1-M relationship from Customer to Order. Select suiatble relationship name using your common knowledge of intersection.
Write an anonymous PL/SQL program to print out the GPA of John - write a PL/SQL program to compute the sum of even number
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