Questions from Database Systems


Q: Figure P12.1 The DDBMS Scenario  Specify

Figure P12.1 The DDBMS Scenario  Specify the minimum types of operations the database must support to perform the following operations. These operations should include remote request, remote transac...

See Answer

Q: The following data structure and constraints exist for a magazine publishing company

The following data structure and constraints exist for a magazine publishing company. a. The company publishes one regional magazine each in Florida (FL), South Carolina (SC), Georgia (GA), and Tennes...

See Answer

Q: Given the scenario and the requirements in Problem 2, answer the

Given the scenario and the requirements in Problem 2, answer the following questions: a. What recommendations will you make regarding the type and characteristics of the required database system? b. W...

See Answer

Q: The university computer lab's director keeps track of the lab usage,

The university computer lab's director keeps track of the lab usage, as measured by the number of students using the lab. This particular function is very important for budgeting purposes. The compute...

See Answer

Q: Using the data provided in the Ch13_SaleCo_DW database

Using the data provided in the Ch13_SaleCo_DW database, solve the following problem. What is the SQL command to list the number of product sales (number of rows) and total sales by month and product c...

See Answer

Q: Using the data provided in the Ch13_SaleCo_DW database

Using the data provided in the Ch13_SaleCo_DW database, solve the following problem. What is the SQL command to list the number of product sales (number of rows) and total sales by month, product cate...

See Answer

Q: Using the data provided in the Ch13_SaleCo_DW database

Using the data provided in the Ch13_SaleCo_DW database, solve the following problem. Using the answer to Problem 10 as your base, what command would you need to generate the same output but with subto...

See Answer

Q: Write the SQL code to generate the total hours worked and the

Write the SQL code to generate the total hours worked and the total charges made to all projects. The results should be the same as those shown in Figure P7.24. Figure P7.24 Total hours and charges,...

See Answer

Q: Create your own data analysis and visualization presentation. The purpose of

Create your own data analysis and visualization presentation. The purpose of this project is for you to search for a publicly available data set using the Internet and create your own presentation usi...

See Answer

Q: Victoria Ephanor manages a small product distribution company. Because the business

Victoria Ephanor manages a small product distribution company. Because the business is growing fast, Ephanor recognizes that it is time to manage the vast information pool to help guide the accelerati...

See Answer