Q) In a contingency table, the number of rows and columns   must always be 2 .    must always be the same.    must add to 100%   None of the above.

Input table into sql workbench

How can we check if a table has minimum redundency?A) There is no way to checkB) See if a table has any primary values duplicated somewhere elseC) Use a normal form to checkD) See if a table has a lot of null values

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…

4. Find all instructors in Finance department who have taught some course in 2008. 5. Find all students from Physics department who took course 'CS-319|* .

Solve this (SQL)

ABC department store keeps information on departments, products, and employees. For each department, the department ID, name and office phone extension are stored. For each employee, the employee ID, and name are stored. A department can have many employees and each employee can be assigned to multiple departments. Each department is managed by one employee. Each department sells many products and each product is sold by only one department. Products can be shoes, clothes, or other miscellaneous. The product ID and price are stored for each product. No additional data is stored for the miscellaneous products. For all shoes, shoe type, shoe color and shoe size are also stored. For all clothes, the season (one of: winter, spring, summer, year-round) is stored. Clothes can be shirts, pants or dresses. For shirts, collar size, sleeve size and type are stored. For pants, waist size, length and type are stored. For dresses, size, and type are stored. Draw the Crow’s foot ERD (including all…