To take average students into account, the numbers should be inflated by a factor of around 1. Obviously the time depends greatly on the specific student population, so your mileage may vary. Most of these questions appeared in examinations of courses taught by us. We welcome contributions of questions, to make this question bank a larger and more valuable resource.
Our current policy is to not publish answers along with the questions, to limit the damage done if any part of the material gets accidentally published on the Web by anybody. This may be revised based on feedback from instructors. We have not provided any questions for Chapter 1 Introduction and Chapter 2 Relational Model currently. Exercises 3. Find the name and price of the most expensive item if more than one item is the most expensive, print them all. Print the total sales in terms of units and total price of every item category in every customer-city.
Find items with no sales at all to customers in Mumbai. Find customers who bought the same quantity of the same item on subsequent dates.
Write an SQL query to compute the top 5 distinct marks. That is, all students with the top mark get a rank of 1, those with the next highest mark get a rank of 2, and so on. Hint: split the task into parts, using the with clause. Define a view totalmarks course, rollno, marks to get total marks for students of each course, given a table: weights course, exam, weightage.
Here weightage is a factor by which you multiply the marks for the corresponding exam. Define a view grades course, rollno, grade to get the grades for students, given a relation cutoff course, grade, cutoff-mark. Assume that marks below the lowest cutoff mark get an FF grade. Note: formal coverage of schema design is in Chapter 8, but this question can still be asked of smart students a.
Design a relational schema for this task. You should record group members for groups. The new edition of this bestselling title on distributed systems has been thoroughly revised throughout to reflect the state of the art in this rapidly developing field. Which consistency models are commonly used by modern databases and how distributed storage systems achieve consistency concepts of database management database management systems provides comprehensive Kindberg 5th ed solution manual plz send me noumanasad92 gmail.
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