S
  1. study help
  2. subject categories
  3. computer science
  4. databases
  5. august 2018
  6. 21

Databases Questions and Answers August 21, 2018

Expert-verified solutions to help you succeed

(AB. 12 ) 4 lo
image text in transcribed

Q 6 . A difference between Googling your research and using a library is - You never have to pay for what you find using Google. Google shows the most useful and trustworthy sources at the top of the search results. The library has a single search that includes Google and everything else. The library provides librarians to help you in all stages
image text in transcribed

In the following code, what is the value of a if b is 3? short a,b; void sub1(void){ a = (b==1) ? 10 : 1; }

Let us suppose the design of a module mananging a key / value dictionary with the following properties: Data types : integer for both the keys and their associated values Unicity of keys: there is no possible duplicates of any given key value Underlying data structure: the dictionary uses a two - dimensional array ( a matrix ) for its internal

Windows powershell script for rock paper scissors

Overview For this program, write a program that will act as a wage calculator for a single user. The program should use the number of hours worked and hourly wage to calculate: Gross Pay Deduction Net Pay The Gross Pay is the amount that the user is paid before any deductions are applied. The pay amount is based upon the number of hours worked. If

1 void Q40 2 3 4 5 6 7 8 9 10 S1; while(C1) S2 while(C2)t S3; while(C3) S4 if(C4)H S5; else 12 13 14 15 16 17 18 19 S7 For P, suppose the while loops defined by lines 3, 5, and 7 are executed exactly 1, 2, and 3 times respectively (15 pts) 1. Draw the program graph. You must use line numbers to label all nodes in the graph. Do not use the
image text in transcribedimage text in transcribed

Can you guys help me with option 2 ( Open file ) and I am not sure with ( 5) Save Player list) ---------------------------------- Description: First, you need to create a class called Player . This class should contain the following attributes: 1) name (a string) 2) age (an integer) This information should only be accessible through methods of the

A _ _ _ _ _ _ _ _ is a request for data from a database. ( TCOs 7 and ` 1 2 ) Group of answer choices data entry reporting query command

According to Law, approximately every two years the number of transistors placed on an integrated circuit will double. Select one: A . Turing's B . Babbage's C . Moore's D . Lovelace's
image text in transcribed

Question 9 ( 1 point ) There are two types of font styles. What are they? Bold and soft Bold and contemporary Bold and italics none of the above
image text in transcribed

Qnswer the following memory system question, fill in the table. 8. (10) The contents of the memory bytes at locations 0x80000 through 0x80003 are as follows Address Contents 0x80000 0x89 0x80001 0x87 0x80002 0x55 0x80003 0x43 Show, as an 8-digit hex value, the contents of register $t0 produced by each of the instructions listed below assuming
image text in transcribed

Question 1 0 When did the U . S . originally enter the Paris Agreement? 2 0 2 1 2 0 1 6 2 0 2 0 1 9 5 0
image text in transcribed

Output Python in the specified format. Input Specification: No input. Output Specification: The output consists of three lines. The first and third lines are 10 equal signs(=), and the second line is the word Python. Pay attention to the location of Python . Sample Input: Sample Output
image text in transcribed

MATLAB Please! I have been working on this program but cant figure out why Im getting this error Error using fprintf Function is not defined for 'sym' inputs. syms x y z eq1=2*x+y+z==2 eq2=-x+y-z==3 eq3=x+2*y+3*z==-10 test1=solve(eq1,eq2,eq3) test1.x % notice results are in structure test1.y test1.z fileID = fopen('test2.txt','w');

Java Let's say we have a base 4 system (as opposed to Binary which is base2 or Decimal which is base 10). Remember the only digits we have in a base 4 system are 0, 1, 2 and 3. What does this base 4 number equal to in the Decimal system? 32 a) 6 b) 14 c) 12 d) 9

Research an article where a company has deployed a Cloud computing structure and what happened during this implementation. Were there any issues along the way? How did they resolve them? Describe their scenario and how it worked for them in the end. What about client concerns? Did they have to change their business model to create value for

what datatype pf character can a string value contain

Which of the following represents the number of security controls included in the NIST SP 8 0 0 - 1 7 1 standard? 1 . The NIST SP 8 0 0 - 1 7 1 standard consists of 1 7 security controls. 2 . The NIST SP 8 0 0 - 1 7 1 standard consists of 1 4 5 security controls. 3 . The NIST SP 8 0 0 - 1 7 1 standard consists of 1 1 0 security controls. 4 . The

1). Match the correct band to the most likely device that uses it. (U-NII-2 Extended, Scientific, Industrial, U-NII-1, Medical) . a) . A device in a factory operating at 925 MHz b ). A Wi-Fi access point operating at 2.4 GHz c). A Wi-Fi access point operating at 5.190 GHz d) . A Wi-Fi access point operating at 5.510 GHz e) . A radio in a device

Determine whether each of the following is true or false. (a) empty set is a subset of the empty set (b) empty set is an element of empty set (c) empty set is an element of {empty set} (d) empty set is a subset of {empty set} (e) {a,b} is an element of {a,b,c,{a,b}} (f) {a, b} is a subset of {a, b, {a, b}} (g) {a,b} is a subset of the superset of

Q2: Selection sort is a simple sorting algorithm. This sotting algorithm is an in-place comparison-based right end. Initially, the sorted part is empty and the unsorted part is the entire list The smallest element is selected from the unsorted array and swapped with the leftmost element, and that element becomes a part of the sorted array. This
image text in transcribed

Task Instructions Apply a two - color gradient fill to the page using the default White, Background 1 as Color 1 and Teal, Accent 3 ( first row, seventh option ) from the Theme Colors section as Color 2 . Accept the horizontal shading style and the default variant.
image text in transcribed

What doIf Statement What does an if statement not do ? Evaluates a boolean expression. Evaluates code when the boolean expression is false. Allows your program to make decisions about what to do . Determines if something is True or False.
image text in transcribed

In your opinion, Is cloud computing the next iteration of the computing model? Or is cloud computing merely a formalized definition of all Internet activity?

#include #include #include int main (int args, char *argv[]) { pid_t fork_return; pid_t pid; pid=getpid(); fork_return = fork(); // When fork() returns -1, an error happened. if (fork_return==0) // When fork() returns 0, we are in the child process. { printf("n The values are Child ID = %d, Parent ID=%d ", getpid(), getppid()); execl("/bin/cat",

In Python, which keyword is used to handle exceptions? a ) try b ) catch c ) handle d ) error

I want you to come up with a task for databases as complex as possible with detailed explanations and definitions in which a given topic is transformed into an e / r model, then into a relational one, and from there, if not, into a third or normal form of Boyce Code and something with multivalued dependencies and relational algebra

Twitter features the creation and dissemination of short - form communications called _ _ _ _ _ .

When considering a computer to purchase, which of the following factors involves the operating system of the computer? A . form factor C . hardware specifications B . platform D . add - on devices
image text in transcribed

This following text is the assignment I have recieved and I've tried a couple codes so far with no luck, so thought I'd try here (it needs to be done in Java as well): ISBN is an abbreviation of international standard book number, a standard for identifying printed media. There are two versions of ISBN, the older version ISBN10 and the newer

Convert the following signed, 8-bit, 2s complement numbers (represented in hex) to decimal: 0xF1 0x6C 0xFF 0xC2 0x0E

q2) NETWORK SECURITY SUBJECT The answer should be clear and based on the questions also needs for references and every question need to introduction and conclusion Task 2: Configure R1 with appropriate IPSec parameter to connect VPN tunnel (hint: your configuration should include ACL, ISAKMP Phase 1 properties, ISAKMP Phase 2 properties, and
image text in transcribed

Subject : Theory of Language and Automata make an fsm of this ( recommended using JFLAP ) w{a,b}:#a(w)mod3=1}{w{a,b}:#b(w)mod3=0}
image text in transcribed

Alice and Bob use the Diffie-Hellman key exchange technique with a common prime q=23 and a primitive root =5. (a) If Bob has a public key YB=10, what is Bobs private key XB? (b) If Alice has a public key YA=8, what is the shared secret key K with Bob?

Which example of malicious code would be classified as a Trojan horse? * malware that was written to look like a video gamemalware that requires manual user intervention to spread between systemsmalware that attaches itself to a legitimate program and spreads to other programs when launchedmalware that can automatically spread from one system to

Given the Boolean function: F(A, B, C, D) = (0,1, 3, 6, 7, 8, 9, 11, 14,15) 1) Drive the simplified Boolean function in sum-of-products form by means of a four-variable Karnaugh map. 2) Draw the logic diagram with a.[1 mark] AND, OR and NOT gates; b.[1 mark] NAND and NOT gates [Notice that X= (X.X). Therefore, you can avoid using NOT if you want

4-1 Recurrence examples Give asymptotic upper and lower bounds for T(n) in each of the following recur rences. Assume that T(n) is constant for n 2. Make your bounds as tight as possible, and justify your answers. a. T(n) 2T(n/2) n4. c. T(n) 16T(n/4) n2. e. T(n) TT(n/2)+n2. g. T(n) T(n 2 +n2
image text in transcribed

With regard to Input Space partitioning, some combinations of blocks are INFEASIBLE. Other blocks have relationships between characteristics that form CONSTRAINTS. What's the difference? Can you give some examples of each??

What are the final values of x, y, and z. int x = 2; int y = 3; int z = = 0; y = ++X + 2; x = x*y; z = x++ * 3; -> X = 1,2-1 y=
image text in transcribed

From the book: Computer Organization and Design Arm edition 4.12 Examine the difficulty of adding a proposed swap Rd, Rn instruction to LEGv8. Interpretation: Reg[Rd]-Reg[Rn]: Reg[Rn]-Reg[Rd] 4.12.1 [5] Which existing functional blocks (if any) require modification? 4.12.3 [5] What new data paths do we need (if any) to support this instruction?
image text in transcribed

Write a function, that its input is a long integer and a bit number in a char, and returns a 1 if the bit at location bit number is set to 1. Write a function, that its input is a long integer and a bit number in a char, and returns a 1 and sets the bit at location bit number 1 leaving all other bits unchanged.

Use typedef to create a type named Int16 in C program. Define this types so that it represents 16-bit on a 32-bit machine. typedef _______ __________

java Write a for loop that prints the integers 50 through 1, separated by spaces. Use no variables other than count
image text in transcribed

convert the following product of sums expression of f ' to a sum of products expression for f using demorgan's laws, and select the terms which result.

means that individual developers are allowed to make modifications to the programming code. q , Open source software Free software Audited code Layer 1 software All of the above
image text in transcribed

As a forensic investigator you are mostly concerned with: 1 . Who is behind the latest attack on your organization 2 . What tactics and tools they used 3 . How far the attack has progressed What level of CTI are you most involved in ? Question 1 2 options: Operational Strategic APT Tactical

The OSI security architecture focuses on security attacks, mechanisms, and services. Select one: True False
image text in transcribed

python code must be used for this problem. please show all code thanks Exercise 2* Let (20, f(20)), (x1, f(x1)),..., (in, f(n)) be given points in the (x,y) plane with X0, 11, ..., In distinct, and let n k-1 Pn(2) = f(20) + f(:20,21,..., Ik] (:1 - Ij) k=1 j=0 be the polynomial of degree at most n (in Newton's Divided Difference form) that
image text in transcribed

What kind of cryptographic method replaces one character with another from a match - up list to produce the ciphertext? The decoder wheels kids get in cereal boxes often make this kind of cryptography.

Please answer questions 1-5 Instructions: You often can solve problems with technology in multi one or more resources available to you (such as a computer or mobile device, artic quides, other individuals, electronics or computer stores, etc.). Describe your soluti your instructor (brief report, presentation, discussion, blog post, video, or other
image text in transcribed

5) Explain Unix file access control list. (1 mark) 6) Why government look for security bugs? (1 mark)
image text in transcribed

Consider the byte address 0x002468ac. What is the value modulo 64? (That is, what is the offset of this address within a 64-byte block?)

The requirement that no two rows be identical implies that a primary key can be defined for the relation. Question 6 1 options: True False

CET3640 -Software for Computer Control Lab #3 Write a program that reads a student's name together with his or her test scores. The program should then compute the average test score for each student and assign the appropriate grade. The grade scale is as follows: 90-100,A; 80-89,B; 70-79,C,60-69,D; 0-59,F Your program must use the following
image text in transcribed

format TypeOptions in COPY command is not allowed for Select one: a . TYPE = PARQUET b . None of the listed options c . TYPE = AVRO d . TYPE = ORC

Type the program's output import java.util.ArrayList; import java.util.Scanner; public class IntegerManager { public static void printSize ( ArrayList numsList ) { System.out.println ( numsList . size ( ) + " items" ) ; } public static void main ( String [ ] args ) { Scanner scnr = new Scanner ( System . in ) ; int currVal; ArrayList intList = new

which of the following statement is not correct for the super keys in relational databases

Complete the following program in order to produce the following expected output. The program creates a class named Human. The class has two variables, named eyes and noses. In addition, the class has two methods named setData and printData. ThesetData is using to initialize the variables of object from class Human and printData uses to printout
image text in transcribed

Compute n^m where n is an integer and m is a natural number. Write a function Pow as follows: declare fun {Pow N M} if then else end end
image text in transcribed

When running the Diffie-Hellman protocol with Anna, Tom accidentally uses q rather than p as the modulus for all the computation. What would be the result? 1: Anna and Tom can still obtain the same key at the end of the protocol because q divides p 1 2: The adversary can compute the key calculated by Anna 3: Anna and Tom cannot obtain the same key

this is c++ X C Basic Input and output 3495/assignments/469310?module_item_id=909432 -96-6502 > Assignments > Programming Assignment 2a Programming Assignment 2a Submit Assignment Due Feb 2 by 11:59pm Points 10 Submitting a file uplc Create a simple program that outputs a string. NOTE: All assignment programs throughout this course must be com
image text in transcribed

Which component of an IP address dictates how many bits of the 3 2 - bit address are the network portion versus the host portion? Default gatewoy Subnet mask DNS address MTU
image text in transcribed

Which of the following is an important attribute of private banking? secrecy anonymity confidentiality all of the above
image text in transcribed

Which of the following connector types is used for coax cable?

To refer to a property of an object in your Visual Basic code, you code the a . class name followed by a period and the property name b . property name followed by a period and the class name c . property name followed by a period and the object name d . object name followed by a period and the property name

What does the "Show Me " button do ? It performs calculations It plays video tutorials It plays a Tableau advertisement It displays the possible types of visualizations in Tableau It displays your username and personal account information
image text in transcribed

Complete the description of the blocks in the provided flowchart. Double click on Edit and type your answer according to this code. #include #include / * This program finds the solutions of the quadratic equation a x ^ 2 + b * x + c = 0 * / int main ( ) { / * Define and initialize the variables * / float a , b , c; / * Define real and imaginary
image text in transcribed

If the data bytes shown in Figure 1 are the content of the Data field in a data frame, the Error Checking field ( ECF ) of the frame will include at least. A . One Even parity bit B . One Odd parity bit C . Four bits D . Eight bits E . Twelve bits [ Turn over ]

Computer communication network 32 Why are Content Disaibution Nerworks (CDN) useful? How do CDNs work? (1-2 points)
image text in transcribed

Modify the orderedArray.java program (Listing 2.4) so that the insert() and delete() routines, as well as find(), use a binary search, as suggested in the text. Note that only the insert method does not implement the binary search. Modify the program so that insert calls find just like delete does.

I want a solution explained with clarification The set of integers less than 7 is infinite set True False
image text in transcribed

3. (6 points) Consider the following three algorithms to find the lowest k numbers out of an unsorted array of n numbers. Give the worst-case order (big ) of each algorithm in terms of k and n. appropriate place in the array. nlogn b. Use merge sort to sort the given array, then just take the first k numbers. c. Create a min heap from the given
image text in transcribed

what are the items in a tuple called?

Java code about writing two methods: public static String randomStringone(int length) public static String randomStringtwo(int length) This method should return a String of random lowercase letters with the given length by using for loops. To generate a random lowercase letter, use a local Random variable and the method nextInt() to generate a

Write a computer program for a logic bomb that continually generates 8-digit numbers randomly and increases a counter by one each time. If the random number meets the current date in a format ddmmyyyy, it will display 5 times on screen the following message: Today is [date]! The count is: [nnnn] Hint: Since everyday is a different date, don't hard

Java OOP - inheritance- Help please Only ARRAY and MATH are allowed. no other libraries should be use //ProfessorOld works 20 weeks each year //professorYoung works 40 weeks each year so the two subclasses to fit the type of professor added in course.java //addProfessors methods are to add professors into a professor array type. To store all the

The given below Grammar G is already augmented grammar: S X X Yb | aa Y a | bYa a. Design SLR parsing table for the grammar G. b. How many states have conflict? Specify type of each conflict.

convert to a template class java

A Blank 1_-_Blank 2 unit might be on a video card, on the motherboard, or embedded in the CPU package. (two-word answer) Note: Do not use acronyms - spelling counts Blank 1 Add your answer Blank 2 Add your
image text in transcribed

Use pseudo-code to describe the design algorithms for the following operations for a binary tree T. (5% each) preorderNext(T, o): return the node visited after node o in a preorder traversal of T. inorderNext(T, o): return the node visited after node o in an inorder traversal of T. postorderNext(T, o): return the node visited after node o in a

Which statement formats the contents of the dblpay variable with a dollar sign and no decimal places? 1blPay.Text=dblPay.Tostring("c2")1blPay.Text=dblPay.Tostring(co)lblpay.Text=dblPay.Tocurrency("co")1blPay.Text=dblPay.Tostring("co")
image text in transcribed

Let U be the number of input units used and Q be the number of output units. Then, Q / U is defined as:

what are the equivalence classes of 0 and 1 for congruence modulo 4

Which of the following is the correct definition of an array variable: A) float arraydi: B float array[] = {0.4, 0.2, 1.5}; float array = size; = D float array["size"] estion 4
image text in transcribed

how can i solve the first quetion shortly Discussion Topic Practicing interdependence is a characteristic of a successful student. Recognizing it is okay to ask for help can be a shift for some, but this is one way of seeking solutions. Sometimes we can punish ourselves because we don't want others to know we need assistance. Building support
image text in transcribedimage text in transcribed

JAVA ECLIPSE Write a class named PhoneBookEntry that has fields for a person's name and phone number. The class should have a constructor and appropriate accessor and mutator methods. Then write a program that creates at least five PhoneBookEntry objects and stores them in an ArrayList. use a loop[ to display the contents of each object in the

Which of the following best describes hard technology? Group of answer choices Processes or ways of thinking about problems Products such as computers and satellites Media such as audio and video Theories of instruction

Q. Write a MIPS assembly language program that opens and reads a text file "read.txt". Read the 5 integers from the file and print the sum of those integers in sum file "sum.txt".

Which instruction performs the following operation (CF = Carry flag? Before : CF,AL = 1 11010101 | After: CF,AL = 1 101010111
image text in transcribed

Write the main method to run each method with the provided test case. ( 5 pts ) Below this Yourlastname _ Yourfirstname _ final class, create a default class named Passenger. ( 1 5 pts ) In this class, create a static variable, called numPassenger, to keep track of the number of Passenger objects that have been created. A passenger object should

A predesigned set of colors, fonts, lines, and fill effects that look good together is a: OA. text file OB. list OC. theme

1 . How many collision domains exist in the network of Figure 1 ? Justify. 2 . How many broadcast domains exist in the network of Figure 1 ? Justify. 3 . At which rate does the link between Hub 0 and Router 0 operate? Justify. 4 . Send a broadcast packet inside the network 1 9 2 . 1 6 8 . 1 . 0 / 2 4 . Then inspect the MAC - address table on
image text in transcribed

5 off to both sides. The cro y=-0.000234x(x-160)wh the field's width? the maximum height of

Hello I am trying to output my useradd command instead of execute the function so that when I run my script it shows the useradd command but doesn't actually run it. This is my script file that I am using #!/bin/bash DATAFILE=$1 while IFS="," read USERNAME FIRSTNAME LASTNAME EMAIL IPADDRESS HIREDATE DEPARTM> HIREDATE="$( date +'%A %B %d %Y')"

matlab plz figure out A to H \%These are given variables that will be used in the problems, the values are randomly generated so that you \%do not hardcode. You should be using the variable names in your code and writing code that is generalizable num1 = randi(5); \%random integer between 1 and 5 num2 = randi (30)+20; \%random integer between 20
image text in transcribed

Answer the following with all the sub questions along with descriptions. : Data analytics for information systemns 1. For a particular city, the height of all the buildings within the city were measured and the results were compiled into the accompanying histogram below: A. What's the percentage of buildings that are higher than 150 feet? 2. Below

Which of the following utility creates restore points at regular intervals and before you install software? a . System Activation b . System Restoration c . System Prevention d . System Protection
image text in transcribed

Code the definition for a table column named ErrorData that can contain XML data and that will be validated using an XML schema named ErrorDataSchema. Assume that the column cant contain null values.

Hey, if anyone could offer some assistance with this, it would be great. Thanks! Morse Code: A dash is transmitted as a pulse which is three times as long as a dot. In between the dots and dashes for a letter there was a pause of the length of a dot. After any symbol there was a pause the length of three dots. After the last symbol of a word there
image text in transcribedimage text in transcribed

Showing 300 - 400 of 1501
  • 4 / 16