Create a query to produce the summary of the value of products currently in inventory. Note that the value of each product is produced by the multiplication of the units currently in inventory and the unit price. Use the ORDER BY clause to match the order shown in Figure P7.42.

Q: Write a query to display the total inventory—that is, the sum of all products on hand for each brand…

A: “SELECT” statement: It is used to retrieve information from the table or database. The syntax for…

Q: Write a query to display the first name, last name, phone number, title, and department number of…

A: Actually, A database is a collection of information that is organized so that it can be easily…

Q: Write a query to list the book subject and the number of books in each subject. Limit your result to…

A: SELECT  – to query data in the database INSERT  – to insert data into a table UPDATE – to update…

Q: Use a query to compute the total of all purchases, the number of purchases, and the average purchase…

A: SQL query  The Round() function is used to round off the number to the desired decimal places. The…

Q: Write a query to get the number of different types of jobs available in the university table.…

A: Functions used in Query: The LIKE operator is used to search for a specified pattern in a column.…

Q: Write a query to display the book number, title, and replacement cost for all books in the…

A: Query to display the book number, title , and replacement cost for all books in the "Database"…

Q: Create a query to find the balance characteristics for all customers, including the total of the…

A: We can calculate the balances of table based on some grouping columns. If no grouping column is…

Q: Write a query to display the average number of days a book is kept during a checkout (Figure…

A: Solution:   Given, Schema structure is-

Q: Create a query to display all names where the first name starts with letters in the J-R range. Use…

A: SQL Language to display all name where first name  start with j - r range . Using between

Q: Create a query that SELECT all of the EMPLOYEES from the EMPLOYEE TABLE that are Mangers.   Include…

A: Self Join:   A self join occurs when a table is linked to itself (also known as Unary…

Q: inventory, i.e. the sum of all products on hand for each brand id. Sort the output by brand id in…

A: Here have to determine sql query for given problem.

Q: Write a query to display the first name, last name, street, city, state, and zip code of any…

A: Structured Query Language (SQL) can be defined in such a way that it is a standardized programming…

Q: Write a query to list month and profit for 2008 and sort the list ascending by profit. What month is…

A: Note: You did not mention which SQL we have follow so we did it in MySql     CREATE TABLE Product…

Q: Write a query to display the employee number, last name, email address, title, and department name…

A: QUERY: SELECT EMP_NUM, EMP_LNAME,EMP_EMAIL, EMP_TITLE,DEPT_NAME FROM EMPLOYEE WHERE EMP_TITLE NOT…

Q: Create a query for displaying minimum salary in column alias “Minimum Salary” along with job_id…

A: Format of query :-  SELECT colounname ,  MIN( coloumname) AS aliasname FROM tablename;   According…

Q: Write a query to display the number of books that are available (not currently checked out) (Figure…

A: SQL aggregate function COUNT can be used to get number of books that are available.

Q: Write a query to list the author last name, author first name and the book title and cost for each…

A: Solution: FROM: It is used to get data from the table WHERE: It is used to list the data where given…

Q: What values are returned while the given query is executed? SELECT 2* (Balance - Payment) FROM…

A: The query selects the result of the expression 2*(Balance - Payment) for each row in the "Customer"…

Q: Write a query to list the book title, checkout date, checkout due date and checkout in date for each…

A: According to the information given:- We have to write a query on the basic of mention need.

Q: Modify the query in Problem 13 to include the number of individual product purchases made by each…

A: Actually, database is a used to stores the and  also manipulate, change and modify the data.

Single Table

In a database management system, a single table is designed to obtain data of heterogeneous items. A single-table design with DynamoDB resolves the issue of raising multiple requests for the relevant data of an entity.