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Databases Questions and Answers July 14, 2020

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At a candy shop, the 1^st candy costs 10cents. Each sequent candy costs 10 cents more than the previous one. For one dollar, how many candies can you purchase at most? Here is a program written in C to answer that question. float fundLeft = 1.0; float cost int numCandies = 0 for (cost = 0.1; cost
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Using the Apache Cassandra schema below, create an SQL CHECK statement as described in Chapter 3 to express an integrity constraint that states that the duration spent in a project cannot exceed 48 months. CREATE KEYSPACE firm WITH replication = \{'class': 'SimpleStrategy', 'replication_factor' : 3\}; CREATE TABLE firm.employees ( eno text PRIMARY
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This is in C code Carry out the following steps: 1. Read in an integer value for T. Sample the function f(t) above, at t = 0, 1, 2 . . . T and write the values to a file function.txt. 2. Read the values from the file, and place them in an array. 3. Write a function called convolution which takes two arrays as arguments, calculates their discrete
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Python Coding Create a function that will perform linear interpolation from a set of measured data. The function should take as input a list of values at which samples were taken, and then another list giving the measurements (you can assume each measurement is a single value) at those values. It should also take in a query value, and should give

Create a scalable database that will grow as the company grows. (An inner join combines records from two tables based on a join predicate and returns rows from columns specified in the SELECT statement that satisfy that predicate). Grey shaded area should represent values that are returned by an inner join. Duplicate values might be returned. You

In the MiniMIPS, each register has 3 2 bits ( 4 bytes or 1 word ) .

TOP SECRET FILE. I NEED AS SOON AS POSSIBLE. The governmnt is working a project, called SpyTurtle and they need your help. They need to know where the turtle is at all times, so each turtle has a X and Y coordinate. The turtle can hold up to 10 microphones and has the ability to drop a microphone, decreasing the number of microphones by 1. For

In Query Design view of the AlphaListorCustomers query, move the ID field to the fifth column of the query grid. ( Note: The State field will become the fourth field in the query grid. )
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I Given the B-tree of order 3(nodes of size 3 split) 411 723 312 341 569666 900 92 105 330 349 472 545 622 705 807 954 a) Insert in order 58, 500, 700, 680, 850, 875. Redraw the tree
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cant figure out what to do with the code heres a screenshot of the problem
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6. Write a class that declares a variable named minutes, which holds minutes worked on a job, and assign a value. Display the value in hours and minutes; for example, 197 minutes becomes 3 hours and 17 minutes. Save the class as Time 1
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For Cyber Security Acquisitions refers to: Select one: 5.0 O a. Collection of digital media to be examined tion O b. Examination of media collected O c. Process of sharing result to appropriate parties Analysis refers to: 45.0 stion Select one: O a Collection of digital media to be examined O b. Examination of media collected O c. Process of
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Nondeterministic Construction [ 6 points ] Generate the state diagram for an NFA which decides the language B over the alphabet = { a , b } : B = { w : w contains ' a a ' o r ' a b ' }
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Exercise 6 (3 pts). What is the relationship in terms of asymptotic growth) between n and n cos (n - )
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What program is used by a programmer to convert high-level code into executable code?

A DSS often uses information from external sources. True False
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Write a MATLAB function called backthatstringup.m which takes any string (i.e. vector of char's ... a list of characters, surrounded by single quotes) and rewrites it in reverse order. You must use either a for loop or a while loop in your code and you may not use the built-in MATLAB functions fliplr or flipud. The specifications for the function
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Moving to another question will save this response. Question 23 The evaluation of the C++ math expression: 9*2+2%4 is = I Moving to another question will save this response. 2 1 ENG US wil) ti s * T. TOS
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D Question 7 1 pts What does a hash function do? O Encrypt data Decrypt data Convert any data into a value. All values have uniform size. Hide data in an unlikely place like an image or video file. Question 8 1 pts A listing of every possible hashed password is known as a Password Table Hash Brown Rainbow Table Rainbow Connection Question 9 1 pts
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13. Smith moved to Adams location. Please update Smiths city but do not use the city name directly. 14. Please create a view table supplier_shipment that shows each supplier and its total shipment quantity. 15. Please try to increase Smiths total shipment by 100 in the view table you created in question 14. Then discuss what happens when you try
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Construct a [ 7 , 3 ] - binary code with distance 5 , or prove that no such code exists

Given the following relation: Student {Student Name (PK), Major, Course#1, ClassTime1, Location1, Course#2, ClassTime2, Location2, Course#3, ClassTime3, Location3} Provide an analysis relating to the following concepts: 1 st Normal Form 2 nd Normal Form 3 rd Normal Form Choice of Primary Key If you were to fix this relation, what would you do and

Describe an organizational information situation where data integrity would be more important than data availability or confidentiality.

Consider an array of 6 elements (keys should be 200222). Apply quick sort steps manually, and show the changes in array till your whole array is sorted.

According to research published by Cybersecurity Ventures in 2 0 2 0 , cybercrime will cost the world economy _ _ _ _ _ annually by 2 0 2 5 . Group of answer choices $ 1 . 5 billion $ 1 0 . 5 trillion $ 1 0 . 5 billion $ 1 0 . 5 million

SalesQuote Class Namespace: Last.First.Business Create a new class called SalesQuote to the LastName.FirstName.Business project. Follow the new design of this class. You will be able to use much of the code from your previous version. Design SalesQuote - vehicleSalePrice : decimal - tradeInAmount : decimal - salesTaxRate : decimal -

1. Draw the static CMOS circuits for the following functions. Be sure to label power, ground, and output. a. Y = AB + C + DE b. Y = (A + BC)(D+E) (note the bar: , E) C. Y = A + CD + E(A + B) (must use De Morgan's)
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Type so I can read PLEASE 2.4 If the solid curve in Figure 2.14 represents sin(2t), what does the dotted curve rep- resent? That is, the dotted curve can be written in the form A sin(29ft + ); what are A, f, and ? 2.0 1.0 -1.0 -2.0 -0.5 0.5 Figure 2.14 Figure for Problem 2.4 2.6 Find the period of the function f(t) = (10 cost)
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The Binary Search Tree implementation defines the method put ( self , key, val ) . This method uses a helper method _ put ( self , key, val, currentNode ) . Briefly ( in 1 - 2 sentences ) describe the purpose of the _ put helper method and the currentNode parameter.

SAN JUAN SAILBOAT CHARTERS San Jaan Sailboat Charters (SJSBC) is an apency that lemes (charters) sailbouts. SJSBC. does not own the boats. Instead, SJSBC leases boats on behalf of bout owners who wane to earn income from their bouts when they are not wine them, and SJSBC charpen the owners a fee for this service. SJSBC specializes in beuts that
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python code Write your own function that implements the Gauss-Seidel iteration method to solve Ax-b Assume the matrix is diagonally dominant and no pivoting is required. Program the straight Gauss-Seidel method which updates the solution {x) using the most recent calculated values. The script file that you write is to export a function with an
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ERP focuses on the integration of business systems ( true or false )

Computer Database An object of interest is called a Select one: a. Table b. Entity c. Infinity d. Schema Which one of the following objects is used to access data in a table faster? Select one: a. Columns b. Contraints c. Triggers d. Indexes Which of the below is not an Object type: Select one: a. Columns b. Triggers c. Contraints d. Indexes Which

Create a C program that reads in 10 integers and prints out the sum of the even integers
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Wich the fallowing complete the flip-flop true table. Which of the following will correctly complete the D flip-flop truth table shown below
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Question # 3 (Marks 10) Solve the following LP Model using Simplex Method. Max Z = 20 X1 + 10 X2 + X3 Subject to 3 X1 - 3 X2 + 5 X3
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Question 1. Using the truth table, determine whether the following two propositions are logically equivalent: Question 2. Using the truth table, determine whether the following two propositions are logically equivalent: Question 3. Show that the following argument is invalid. Question 4: (a) Using the truth table, show that the argument is valid
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An epsilon move is one in which the tape head is not advanced. Show that epsilon moves are unnecessary for pushdown automata.

1)Project-1 is the producer of reusable classes and Project-2 is the consumer of many of those reusable classes from Project-1. Select the most appropriate option that describes your actions as a DESIGNER of the solutions: As a great designer you will have created many abstract, higher level classes through specialization. As a great designer you

You have been tasked with trying to better understand the relationship between calls and emails exchanged with a customer. You have these tables to work with: Customers id name Phone Calls id customer_id call_direction call_begin_time call_length call_queue agent_name Emails id customer_id subject direction email_sent_time campaign_id Let's say
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Web Development Create a blog website about whatever appropriate topic you want that has at least 2 links, a homepage and some other page, using HTML, CSS, JavaScript and PHP.

How many tables in total are in the BA Toys database? 1 4 7 6 9
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Question 1 As we did in class, we can instantiate a 2 layer Multilayer Perceptron to represent the following function. How many neurons do you need in the first layer?
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The maximum length of a CAT - 5 , UTP, 1 0 0 M b p s Ethernet segment is meters.
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Could you please help me in this questions please Question-1: Programming, Analysis and Criticize [10 Marks) Write a program to test the performance of Linear Search Vs Binary Search. Also, show the output after execution. The Output will be varying for each student. (Hint: you can use System.nano Time() to measure the time is taken to perform the
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POST YOUR CODE AND SCREENSHOT OF OUTPUT GIVEN CODE: #include using namespace std; int factorial(int); int main() { int n, fac; cout>n; fac= factorial(n); cout Programming Challenge: 1. Download and run factorialRecursive.cpp file, run it and try to understand the code. 2. Write a recursive function that, given an input value of n, computes nn-121
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1.)Consider the following argument: p q p q p q is a and q is a . a.)hypotheses, conclusion b.) hypotheses, hypotheses c.) conclusion, hypotheses d.) conclusion, conclusion 2.)The following argument is valid. p q p q a.) True b.) False 3.)Which rule of inference is used in the following argument? Alice is a mathematical major. Therefore, Alice is

WRITE IN PROLOG, MAKE SURE PASSES ALL TESTS BELOW Define the relation my_assoc that takes an atom A and an association list ALIST and binds R to the value associated with A in ALIST. If there is no association for A, it fails. Prolog does not have association lists, but we can invent thema little different than they are in Lisp. An association

Miles falls prey to a con artist who uses deception to trick him into revealing the data required to access his employer's information system. Miles has experienced an attack vector known as social engineering camping GDPR a legend
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Write a complete C + + program that reads in an array of type int. The program provides facility to either read an array from the keyboard or from a file, at the user's choice. If the user chooses file input, the program should request a file name. You may assume that there are less than 100 entries in this array. Your program determines how many
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Use Pscad software If your ID Number is (1700117), please add number (j0.a) to generator reactance, (j0.0b) to transformer reactance, and (j0.0c) to each line reactance before starting the construction of the system a=0,b=1,c=1 , EPM 431 - Power System Analysis (2) Pscad Assignment A 50-Hz generator having a transient reactance of 0.2 p.u is
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Really Asap please!!! 1. Code an assembly program that copies last 3 digit of your student ID to the memory address OC00:5400 using data segment and any general pupose register. 2. Code an assembly program that copies first 3 digit of your student ID to the memory address OD00:1500 using extra segment and any general pupose register. 3. Code an
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Which will count down from 10 to 1 correctly? for (int i = 10: i 0: i--) for (int i = 10: i > =1: i++) Which best describes the following a list 330 227 505 -1 List headed by size list with sentinal ask before iterating
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Quick Sort as explained in class uses a Pivot value to arrange all numbers greater than the pivot on one side and all values smaller than the pivot on the other side. Pivot in the class example used the first element of the array. Median of three rule uses the median of the first last and the middle elements of the array as the Pivot so that we

REQUIREMENTS: A certain charity recruits twelve volunteers each year to spearhead its fundraising efforts. Each volunteer is assigned one month to take the lead organizing events. As these are volunteers, the charity does it best to accommodate everyone's schedule as much as possible. Before the year begins, each volunteer is asked to give his or
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Function ( 0 Save C Reset MATLAB Documentation function finalvalue = Assignvalue ( uservalue ) % Assign finalvalue with uservalue + 5 if uservalue is greater than 1 0 0 % otherwise, assign finalvalue with uservalue + 3 finalvalue = ; end Code to call your function C Reset 1 Assignvalue ( 2 0 0 )
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Consider m machines and n>=m jobs, each of which is specified by a start time and a finish time. Each job can be assigned to any machine, but each machine can serve at most one job at any time. The objective is is to schedule a largest number of given jobs to the m machines. Please develop a polynomial time algorithm and write program to implement

IN JAVA IN JAVA Create a generic class called GenLinkedList. GenLinkedList will use nodes that store a value of the generic type to store its contents. It should have the following methods. The methods should all operate on the object making the call (none are static). Perform checking of the parameters and throw exceptions where appropriate. The

Match each of the following 8 0 8 8 signals with its description. - ALE - DEN - CLK - A 1 9 A . synchronizes events B . address line C . turns on the data bus D . indicates a valid address is on the bus

**C code please not C++** Complete the program so that it will print the desired results from the indicated comparisons. It will prompt the user to enter an integer, a floating point number, and a character. Fill in each section to make the comparison and display the indicated result. For all outputs, add a newline after the specified result.

Write an LC-3 assembly program that divides two integers (X/Y); X (located at x3100) and Y (located at x3101) using subroutines. The quotient should be stored at memory location x3103 and the remainder should be stored at x3104. 5.2.5 Division and modulus Integer division X/Y and modulus X (mod Y) satisfy this formula: X=X/Y*Y+X (mod Y) where X/Y
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Q1: Q2: >>>No hand written please In your own words, explain the difference between Authorization and Authentication in term of the information security, and provide examples from your daily life with blackboard system. How does the Denial-of-Service (DoS) attacks may affect the Confidentiality, Integrity, Availability (CIA) model? List two (2)
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Question 1 3 Which of the following is NOT an Internet service? e - mail file transfer World Wide Web All of the above are Internet services
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What are the values of x and y after executing the code below? int x = 5 , y = 1 0 ; x = y; y = x; x = 1 0 , y = 5 x = 5 , y = 1 0 x = 1 0 , y = 1 0 x = 5 , y = 5

Draft an outline report for any report of your choice. Only Outline report not any other report. 10 Word Limit ( Min: 500, Max: 700)

Determine for the following code how many pages are transferred between disk and main memory, assuming each page has 512 words, the active memory set size is 256 (i. e., at any time no more than 256 pages may be in main memory), and the replacement strategy is LRU (the Least Recently Used page is always replaced): also assume that all
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What is wrong with the following variable declarations? If wrong, explain. If correct (nothing wrong), write "correct". double 1st_var = 10; int var2; int var3 = var2; string name = "var3"; double out-put = 5 double x, y; int import= 100
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C++ Problem: Remove the last two items and return the sum of these two values 6. What is the simple case: (what case does not require a loop?) 7. Are there other cases to consider: (why would a loop stop?) 8. What nees to be done BEFORE going to the smaler sob problen 9 What is the incremental step that transforms the problem into a smaller
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What does a kilobyte indicate? A kilobyte ( KB ) is a unit of measure. It equals about 1 million bytes. A kilobyte ( KB ) is a unit of measure. It equals about 1 0 0 bytes. A kilobyte ( KB ) is a unit of measure. It equals about 1 trillion bytes. A kilobyte ( KB ) is a unit of measure. It equals about 1 , 0 0 0 bytes.
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Consider the circuit below 4 - bits Adder - subtractor, suppose we want to implement subtraction using 2 ' s complement only. The inputs are A and B four bits, and CTRL bit. The outputs are the four - bits difference and the sign bit. Implement it using hierarchal design. Provide the code, and screenshot of the wave diagrams for inputs and
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What is the term name of the following security definitions? Name Definition Extraction of valuable information from allocated and unallocated disk space Making bit by bit copy of a storage device in another storage device The process when attacker changes the behavior of attack to deceive IDPS A firewall solution which automatically creates or
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Please do the router the dhcp part \ table [ [ 0 , FACULTY ] , [ 0 , ADMIN ] , [ 9 , MNGT ] , [ 0 0 , NATIVE ] ] sign access ports and trunk ports as needed. For the trunks, use Native VIAN 5 0 0 . reate management SVI's using VLAN 9 9 and assign IP addresses from the indicated range. clude configuration for the default - gateway. each switch,
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1. (20%) (a) Construct an LBA recognizing L = {w - VR | W {a, b}" }. Give a modular description of your LBA, with template transitions. (b) Give the computation trace of your acceptor for the following input strings: i. abba ii. aaba
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Please help with Python Thanks ACTUAL EXECUTION PLEASE NOTE THAT YOU MUST RUN EACH SCRIPT AND GET A SCREEN DUMP OF THE RESULT. CROP IT AND GET them into a Word document and post it on blackboard. Number them correctly. Submit the script (.py file) also in blackboard. 1 Find a quote that you like. Store the quote in a variable, with an appropriate
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Consider the following relation and functional dependencies prove that AB is a superkey R 1 ( A , B , C , D , E , F , G ) A - - > CD D - - > EF B - - > G

( b ) T ( n ) = 1 6 9 T ( n / 1 7 0 ) + \ Theta ( n )

MUST SHOW ALL WORK DETAILS including Binary. 3) How many networks are available when using the Class B address with the following mask 172.16.1.0/19? Show the Network Address, Usable address, and Broadcast address? 4) Are the following in the following in the same Network Addressing Space? a. 172.16.99.33 /22 b. 172.16.102.33 /22

Can you please explain the following concept with code visualization and example because i am crying so much and not able to understand. why is bootstrap better, what was the world scenario before bootstrap, how to implement html with spring

Consider these algorithms, Fibonacci, binary search, and exponentiation. For each algorithm, derive and document its time complexity using Big O notation ( Represent the number of instructions with T ( N ) , N is the number of instructions that will be executed ) . Compare and contrast the time complexities of the chosen algorithms.
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Question 1 6 Services cannot be started or stopped manually. They must be configured to start or stop as the computer is being booted or shutdown. True False
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Python, my code is incorrect and in the bottom it shows why or what its expecting Assume the variables x, y, and z have each been assigned an integer value. Write a fragment of code that assigns the least of these three variables to another variable named min. 1. if (x
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Successful attacks are called breaches compromises both breaches and compromises neither breaches nor compromises
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Selection sort is a sorting algorithm that generally performs worse than the insertion sort. However, selection sort is noted for its simplicity. Illustrate the selection sort algorithm and trace it with the following array [3,44,38,5,47,1]. Lastly, prove the correctness of selection sort algorithm

A contact list is a place where you can store a specific contact with other associated information such as a phone number, email address, birthday, etc. Write a program that first takes as input a list of N word pairs representing a name and a phone number ( both strings ) . That list is followed by a name, and your program should output that

The following is the color code of the jackets of employees for a companies annual conference. The Color is determined by the Employee category and the state in which they work. Employee Category Executive (1) Director(2) Manager(3) Worker(4) State Jacket Color State Jacket Color State Jacket Color State Jacket Color NY NJ. PA , Blue NY NJ. PA
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For World Bank-sponsored Kumasi International Airport Expansion Project, identify the stakeholders and explain what each of the stakeholders may be interested in

Vograding a server from a single processor to multiple processors is an example of scaling a site horizontally.O FalseO True

Identifying entity types, identifying relationship types, and determining attribute domains are part of which design phase? Question 1 0 options: Logical design Conceptual design Physical design none of the above.

please i need this quicky Fill in the blank in the program below with a positive integer that would cause x to be set to 2.5 at the end of the program. Don't include "val =" in your answer, only include the value that would go in the blank. val=st=str(10000)+atr(10000)in={3,4,4000,2,5,8000]x=len(st)/1s[val] Q2 Methods 3 Points Which of the
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As an IT Security professional, you are expected to perform due care. What does this mean? You are responsible for reporting any security incidents or breaches to the appropriate authorities. You are required to follow all security protocols and policies to the letter. You are expected to be knowledgeable about the latest security threats and
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In this homework problem, and in all subsequent homework problems, you will partition your script m-file into sections. There will be one seal ion per problem. Because Homework 1 has two problems, your script m-file for this homework will contain 2 sections. Have MATLAB prim (to the command window) the following: e in fixed-point notation to seven
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Which of the following domain controllers supports or can be joined to a forest that is currently set at the Windows Server 2 0 1 6 forest functional level?

use Rstudio 2. The maximum daily temperature in Fahrenheit for New York City and Anchorage, Alaska are given for the month of January for a recent year in order of days from the 1st to the 31st: NYC
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Language is C. All code is provided, please read carefully you only need to implement the find_connected_region function. #include // Define the image size we are using #define SIZEX 50 #define SIZEY 50 // Include the functions to read / write the images #include "imgUtils.c" void find_connected_region(unsigned char input[SIZEY] [SIZEX], int px,
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(b) A pure Aloha network has a data rate of 10 Mbps. The frame size is 1000 bits. (1) Find the frame transmission time. (2) Find the number of successfully transmitted frames att (3) Find the maximum number of frames that can be sent successfully by this network he maximum throughput and at G -0.7
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2 Decision Tree Models (40 points) In class, we have used the decision tree model to derive a lower bound for the worst-case running time of comparison-based sorting, including insertion sort, merge sort, heapsort and quicksort. 2.1 Mergesort (10 points ) Given an input sequence with 2 elements: [a1,Q2 ], where a1 t a2. Draw the decision tree
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Ignore parts b and c of the exercise in the text book. Assume that we will have up to 500 authors. For part a),store the author's name, number of books written and target reader age in three separate parallel arrays. Then, write separate loops and other code required to: displays each author's name, the number of books he/she has written and the

Python: Write a program wipeDiagonalAnimation(picture) which takes as input a picture and creates an animation of the provided picture being wiped (black) top left to bottom right with 45degree diagonals. See the video for the desired effect. Initialize all variables you may need. Create a loop counting the diagonals. Use the dimension of the

Question 1 [40 points]: Consider a heterogeneous computer architecture that has two types of processors: a powerful processor (of which there is only one) and p small capacity processors (called small processors heretofore). Consider that a program P can be broken down into two parts: a sequential part (which is executed by the powerful processor)
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You are the systems administrator for a scientific research company that employs over 100 scientists who write and run Linux programs to analyze their work. All of these programs are stored in each scientists home directory on the Linux system. One scientist has left the company, and you are instructed to retrieve any work from that scientists

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