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Concept explainers
DISTINCT Keyword: “DISTINCT” keyword is used to avoid redundant data (removing duplicate values) from a column. The syntax for “DISTINCT” keyword is as follows:
Syntax:
SELECT DISTINCT column_Name FROM table_Name;
AND Operator:
In SQL, “AND” keyword is used in order to check two and more than two conditions. This usually works well with “WHERE” clause.
Syntax:
SELECT * FROM table_Name WHERE condition1 AND condition2;
ORDER BY Clause:
SQL contains “ORDER BY” clause in order to sort rows. The values get sorted in ascending as well as descending order. The keyword used to sort values in ascending order is “ASC” and for descending order is “DESC”. By default, it sorts values by ascending order.
Syntax:
SELECT column_Name1, column_Name2 FROM table_Name ORDER BY column_Name2;
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Chapter 5 Solutions
A Guide to SQL
- List the names of all Staff members who hold a faculty position and have a salary of $45,000 or less. Show their names as their first name, followed by a space, and then their last name but sort the list alphabetically by last name and then first name. Hint: Check out the Position column in the Staff table. All staff members who do not hold a faculty position will get a bonus this year equal to 5% of their salary. List the names, current salary, and bonus amount for each Staff member (non-faculty) who is due a bonus. Show your list in order with the person receiving the highest bonus first.arrow_forwardList unique first (first_name) and last names (last_name) of customers (CUSTOMER table) who rented a movie (RENTAL table) between '2011-06-01' and '2012-01-01’ (rental_date). Sort by last_name. The common key is CUSTOMER_ID.arrow_forwardQuestion 15 Display the last name, salary, and commission for all employees who earn commissions. Sort data in descending order of salary and commissions.arrow_forward
- Note:- Do correct answer get upvote Else downvotedarrow_forwardAdd a new row in the ORDERS table with the following data: Order# = 1022, Customer# = 2000, and Order date = August 6, 2009. Describe the error raised and what caused the error.arrow_forwardAdd a new row in the ORDERS table with the following data: Order# = 1023 and Customer# = 1009. Describe the error raised and what caused the error.arrow_forward
- Add two columns to the EMPLOYEES table. One column, named EmpDate, contains the date of employment for each employee, and its default value should be the system date. The second column, named EndDate, contains employees date of termination.arrow_forwardModify the Job_class column of the EMPLOYEES table so that it allows storing a maximum width of two characters.arrow_forwardTask 2: For each invoice placed on November 15, 2021, list the invoice number along with the ID, first name, and last name of the customer for which the invoice was created.arrow_forward
- Task 11: Find the ID, first name, and last name of each customer whose first name begins with the letter S.arrow_forwardUse a search pattern to find any book title with “A” for the second letter and “N” for the fourthletter. List each book’s ISBN and title. Sort the list by title in descending orderarrow_forwardWho has rented movies in Japanese language? Return only the first five distinct results in alphabetical order by last name.(Hints: In the language table, there is a field “name” that contains the film language names.) Display: first name and last namearrow_forward
- A Guide to SQLComputer ScienceISBN:9781111527273Author:Philip J. PrattPublisher:Course Technology PtrNp Ms Office 365/Excel 2016 I NtermedComputer ScienceISBN:9781337508841Author:CareyPublisher:Cengage
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