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1. What is a relational database?
2. What are the characteristics of a candidate key?
3. What is a primary key? What is an alternate key?
4. Define the term ‘‘foreign key.''
A disk unit has 24 recording surfaces. It has a total of 14,000 cylinders. There is an average of 400 sectors per track. Each sector contains 512 bytes of data.
For your assignment, write a program that retrieves three scores. Each of the three scores should be from a different player, and you want to display the highest score out of the three. Save your assignment as a .cpp file. Place this .cpp file in ..
In this lab you will write a program to read in a table of data from a text file where each line represents a record, and manipulate it. Each line of the input file will consist of sequence of quoted strings (using double quotation marks) separated b..
Implement the stack and queue with a single class interfaces with a unique class that is derived from class LinkedDeque (Code Fragment 5.21)
List the names of all relationship types
Let's say you have a list of N+1 integers between 1 and N. You know there's at least one duplicate, but there might be more. For example, if N=3, your list might be 3, 1, 1, 3 or it might be 1, 3, 2, 2. Print out a number that appears in the list mor..
The movement data may be sparse. Discuss how you would develop a method that constructs a reliable data warehouse despite the sparsity of data.
Design a nine-step counter to count in the following sequence using D flip-flops (TTL 74704) on a breadboard and on verilog: 0011, 0101, 1001, 1000, 1011, 1010, 0110, 0100, 0111, 0011, ... Include in the design a means for resetting the counter to 00..
Determine the amounts of sugar and flavoring that result in the minimum cost per batch. Determine the minimum cost.
Assuming that the glass bulb transmits all incident visible radiation, what is its efficiency? The efficiency is defined as the ratio of the visible radiant power to the consumed electrical power.
Find those items that have appeared in at least 1% of the baskets that arrived over the past hour.3
Identify three ethical responsibilities expected from persons such as attorneys, the court, and others, when protecting an expert witness in a case. Determine how they should protect the expert witness and how unethical actions by others could neg..
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