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Question
Think following relational schema for a library-
member(memb_no,name,dob)books(isbn,title,authors,publisher)borrowed(memb_no,isbn,date)
Write following queries in relational algebra.
a. discover names of members who have borrowed any book published by "McGraw-Hill".
b. discover the names of members who have borrowed all book published by "McGraw-Hill".
c. discover the name and membership number of members who have borrowed more than 5 books published by "McGraw-Hill".
d. discover the name and membership number of members who have borrowed more than 5 different books of that publisher.
Using three D flip-flops,a multiplexer,decoders and gates, construct a 3-bit Gray code counter that has two inputs: reset, which sets the counter to 000, and inc, which makes the counter go to the next value in the sequence.
As part of your project in order to assess the security risks in order to compute the infrastructure, you have discovered that other managers often have several ideas on the severity and levels of the risk.
Cache misses are classified into one of three categories - compulsory, capacity, or conflict.
One of business' contemporary principles states that organizations must move away from few top leaders and many managers to leaders at every level and few managers.
The Curl Up and Dye Salon offers a variety of salon services for its customers. Jane Fields, owner, has contracted to have you write a program that allows reports to be output, sorted by each kind of service offered. Table below shows the various ..
What are the SMART criteria? What are the 5key points of using project milestones.
imagine you have a project with seven activities Labeled A-G, as shown below. Derive the earliest completion time (or early finish time - EF), the latest completion time (or late finish - LF) and slack for each of the following tasks (begin at tim..
assume you are given a list of n integers in random order. Describe an algorithm that will determine whether the numbers would be an arithmetic progression if they were sorted.
Additionally to limiting the actual tables or columns that a user has access to, you may also limit what the user does. Specify some of the ROLES you could allocate to the users and what would these roles do?
Create a Patient class for the Wrightstown Hospital Billing Department. Include a patient ID number, name, age, and amount due to the hospital. Include properties and any other methods you need. Override the ToString() method to return all the det..
An older network using 10baseT technology needs an upgrade. The network contains a total of 220 workstations and 10 servers and has a network diameter of 300 meters. What type of new Ethernet equipment would you suggest be purchase to modernize th..
Write a function that creates a cell and structure array.
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