In this problem, v congestion detecti

(1) for each Customer (e.g., customer C), display all other customers who have higher salary than this Customer (e.g., customer C). (use inner join, display each customer’s ID, name, and all higher salaries, you don’t need to display information about the customers who have higher salary.)           (2) for each Customer (e.g., customer C), display all other customers who have higher salary and are younger than this Customer (e.g., customer C).

What are the two required clauses for a SELECT statement?

Below are some rows of the PROVIDERS table for a factory: PCODE 10192 98411 0489035 NAME Hans, Inc. Tools and More Motors Inc. PHONE 231 - 3092 231-1029 993 - 1821 All providers from the factory zone of the city start with 231. You want to get the providers that are in the factory zone of the city. Which of the following is more appropriate? O a. O b. SELECT * FROM PROVIDERS WHERE PHONE LIKE '% 231' O C. O d. SELECT * FROM PROVIDERS WHERE PHONE LIKE $231%' SELECT * FROM PROVIDERS WHERE PHONE LIKE 231 SELECT * FROM PROVIDERS WHERE PHONE LIKE '%231%'

EMP(empno, ename, job@tle, managerno, hiredate, sal, comm, deptno) DEPT(deptno, dname, loc)a) Find Employees along with their Manager name.b) Find the Employees who are working in Smith's departmentc) Find the Employees who get salary more than Allen’s salary.d) Display employees who are geZng maximum salary in each department (without using aggregatefunc@on).

Students: Johnson, Williams, Matt, Jones, Eric, Lili, John and Jason, whose grades are listed below. Each column is the grades each student received. There are 8 students with 10 grades each. Johnson: 79, 92, 85, 0, 100, 64, 72, 99, 90, 86 Williams: 80, 75 93, 94, 0, 90, 89, 88, 87, 86 Matt: 82, 67, 72, 74, 89, 0, 70, 89, 100, 76 Jones: 85, 84, 82.5, 82, 84, 80, 80.5, 90, 96, 85 Eric: 90, 91, 87, 85.5, 86.5, 0, 90, 90, 91, 92 Lili: 60, 75, 81, 70, 80, 81, 94, 67.5, 99, 98 John: 79,0, 74, 96, 88.5, 88, 0, 100, 86, 83 Jason: 89, 90, 90, 85, 85, 90, 91, 88, 100, 79 Write user-defined functions or build-in functions (e.g., sum, mean, max, min, etc.) to calculate: The Average Grade of each student; this average should be a vector. The average of the class; this average is a scalar vector. The highest grade among the Average Grade of Each Student The lowest grade among the Average Grade of Each Student Show a table with each student's name, average grade and letter score using A, B, C, D, F…

When should single quotation marks be used in a WHERE clause?

- Delete the employee who has the longest employment in the company

Using the Winners table from Figure 12-2, write a SELECT statement that selectsthe Actor and Actress fields for the years 2008 through 2010. Sort the records indescending order by the Year field.

Solve this (SQL)