Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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(https://dev.mysql.com/doc/refman/8.0/en/functions.html).
Choose 1 string function and 1 numeric function and write a query that uses the two functions you chose in the same query. Create 3 separate queries.
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- 3. Run a query that gives the average grade on the final exam for male students and for femalestudents. Round that number to 1 decimal place only.arrow_forwardWhy it's useful to have index that partially sort a query if it doesn't present all of the results already sorted?arrow_forwarda. Write a query to get all unique first names that start with the letter W from the student table. Output the names in all upper case. Sort the results in ascending order. Write a query to get the first 3 characters of all last names that start with an T from the student table and sort them in descending order.arrow_forward
- Write a SELECT statement that returns three columns: EmailAddress, OrderID, and the order total for each customer. To do this, you can group the result set by the EmailAddress and OrderID columns. In addition, you must calculate the order total from the columns in the OrderItems table. Write a second SELECT statement that uses the first SELECT statement in its FROM clause. The main query should return two columns: the customer�s email address and the largest order for that customer. To do this, you can group the result set by the EmailAddress column.arrow_forwardQ1. Please write a query statement from emp table to display employee's empno, ename, length of ename, number of 'S',and number of 'L'. SQL> SELECT empno AS "EmpNo", ename AS "Emp Name", ... AS "Name Length", .... AS "# Of S", .... AS "# Of L"FROM emp; [IMAGE below] Material to answer the question above: Material: https://drive.google.com/file/d/14OwWDIybjAIeuHCO7McupV08gJs9nB-8/view?usp=sharing https://drive.google.com/file/d/1npRH8JoJ6GYBzPU3iNjLXluvCyhr2tMu/view?usp=sharingarrow_forwardCould you do typing the query here please?arrow_forward
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