Databases Questions and Answers July 31, 2018

entity supertypes and subtypes are organized in a specialization hierarchy

Which of the following best describes Sally? public class Sally { private int data; public Sally(int d) { data = d; } public int hashCode() { return 5; } public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (getClass() != obj.getClass()) return false; Sally other = (Sally) obj; if (data != other.data)

Which term relates to the technical capabilities that allow systems to connect with one another through standardized interfaces called Web services?

Please provide Screen Shots for the eleven requested items requested below. Make certain to label each Screen Shot by number. 1 . Drag into the area Rows the Salesperson field, and drag the field Sales into the Values area to show Sum of Sales in the Values areas. The Pivot Table now created will show all three Salespersons and their corresponding

Strict warning: No AI . Perfect answer with diagram needed. CC 1 7 " " " " " " " " , " " " " " " , setName ( ) getName ( ) . . : : p 1 = ( " " " " , 3 7 ) ( p 1 . getName ( ) ) : " "

The biggest advantage of optical fiber is the fact it is the most cost effective means of transporting information.

What is the difference between Conflict serializable schedule and view serializable schedule (at least 10 points). And give me examples ( very important). IMPORTANT NOTES: - Put your answer in a comparison table. - Make your answer correct and clear. - Type your answer please don't answer by handwrite. - If you do not answer correctly. I will give

Convert the following from C code to LC-3 expressions. Variable Memory Location R5-0 R5-1 R5-2 fort: x>0:x) z= 10; while(-z) z-z-1; x=28& y

Investigating out - of - sequence or duplicate checks helps detect which type of fraud?

7 . What is the element Principal in a resource policy used for? Enumerate 4 types of principals in aws.

Strict warning: No AI . Deliver a perfect solution now. CC 2 0 ) ( EDF ) ( , ( LCM ) 2 4 ) : ( i ) . ( ii ) ? ( iii ) EDF . ) - : CE 3 2 3 - 6 - SP / PT END

Amyvid image scans should be displayed for interpretation using a B / W or color scale?

2. Write a C language program to implement the Shortest Job First Scheduling Algorithm. 1

2. Write a C language program to implement the Shortest Job First Scheduling Algorithm.

Need help with Logistic regression using gradient ascent algorithm on Wisconson Breast Cancer dataset ( uploaded at https://drive.google.com/file/d/1hoadOlDSvBa9T5nkeVGa9GRba3UDrQJZ/view?usp=drivesdk), the values should start from 0.08 to 6 yet here it starts from 1.66 & thus ends at 0.549 with rest as Inf & NaN. Any help would be appreciaed. Code

A project buffer protect the project deadline against violation in the critical chain. Where should you add the project buffer?

5 Write the truth table and equation for the following circuit diagram. (20 points)

5. Write the truth table and equation for the following circuit diagram. (20 points)

(using O(n) space) 1,2,,n]. What is the running time of your method

C2.6 Describe a recursive algorithm for enumerating all permutations of the numbers , n. What is the running time of your method

Write a regular expression for the following language: The set of all binary strings whose number of 1's is divisible by five. E.g., 0111110, 01101110 and 11001101101110010 are accepted but 00000111, 00110011011, 0000011100000 are not.

Under langtidsbehandling er d gndiuresen ikke for get , men kroppens totale vandindhold er reduceret

What is virtual memory, and how does it work? Discuss its advantages and disadvantages.

We will now consider the problem of updating a minimum spanning tree. Assume that you have a graph G = (V, E) with weight function w: E R, for which you computed a minimum spanning tree T. Denote the number of edges and vertices in G by n = |V | and m = |E|. An edge e = (u, v) with weight w(e) is now added to G to get a new graph G. Find an O(n)

Please provide Screen Shots for the eleven requested items requested below. Make certain to label each Screen Shot by number. 1 . Drag into the area Rows the Salesperson field, and drag the field Sales into the Values area to show Sum of Sales in the Values areas. The Pivot Table now created will show all three Salespersons and their corresponding

Name 5 big tech development and the decade they occurred

Which of the following are expressions that result in a Boolean value? (python) 3 == 4 3 != 4 True False "string".isupper() "string".upper() True and False

Declare an array of byte and initialize it to the first 5 letters of the alphabet

Domain - Based Message Authentication, Reporting, and Conformance ( DMARC )

An aggressive Recovery Time Objective ( RTO ) dictates that the database needs to be synchronously replicated. Which configuration can meet this requirement?

To create a wire, drag from the output of a component to the input of another component. z = ab

Do error codes / messages show which line numbers in the code is the problem ?

True or False - Government of Wales Act 2 0 0 6 makes provision for appointment of Welsh Ministers

Quality documentation has five important characteristics, they are:

Also known as ICMP sweepsuse ICMP to identify all live hosts by pinging all IP addresses in the known network. All devices that answer are up and running.

Flash Fill can be turned on or off using the blank menu

Write a program that looks at the source of http://cgi.soic.indiana.edu/~dpierz/mbball.html (Links to an external site.)Links to an external site. (a copy of the IU men's basketball team record page). Use regular expressions to find all the games IU has played in this year and calculate the total number of wins and losses (including exhibition

Write a program that reads a number of scores into an array and determines how many scores are above or equal to the average. Assume that the maximum number of scores is 1 0 0 and that each score is a double value. Write a method that returns a double array using user's inputs from the console window. The method should have the following header.

Program modification can also be done by taking a look at the?

Give DFA or NFA for the following language. For each of the following languages their DFA or NFA can be constructed by combining DFA or NFA for simplier languages: {w | w has an even amount of 0's AND contains substring 11}

Answer the question: what is the Python regular expression pattern that would match a hex color (Links to an external site.)Links to an external site. code. (for example, the pattern that would match an email address is '[\w.-]+@[\w.-]')

Solve the following recurrence equation to get a closed-formula for 1 arks = 2 if n-1 = T(n-1) + 2n if n 2 T(n)

What sort of formal education do you have? ( who / what )

Discuss how an operating system manages the computer's memory. Why is this important? Include the concept of virtual memory.

Ownership recognized by thecourts after actual, open,continuous, notorious, hostilepossession of another's landfor 7 years.

Instructions: Solve each problem thoroughly, showing all your work. Write your answers neatly and clearly. Double - check your calculations to ensure accuracy. Submit your completed assignment by [ due date ] . Problem Set: Convert the following binary numbers to decimal: a ) 1 0 1 0 1 0 b ) 1 1 0 1 1 c ) 1 0 0 1 1 1 0 d ) 1 1 1 0 0 0 1 e ) 1 0 1

Solve all bits correctly and in english language only

PROBLEM, PROBLEMA DEASIGNACIN. 40 PUNTOS La empresau Construcciones Alameda Spa, acaba de recibir tres nuevos proyectos de reparacin que deben terminarse pronto y dispone de tres personas para reatar bs trabajos. Los costos se estiman en horas hombre (HH)y dtfieren debido habibdades y experiencia de cada trabajador en cada uno de los puestos

write the following three basics linux commands: 8. write a command that will create five (5) background processes. 9. write a command that will kill one of the five background processes started in Question 8. 10. write a command that will kill the remaining processes started in Question 8.

Indicate wheter the statement is always or sometimes false. Justify answer with logical statement or a counter example a) If A is invertible and AB=AC , then B=C b) If A & B are invertible, then A+ B is invertible c) Every nxn matrix can be expressed as a product of elementary matices d) an nxn diagonal matrix is singular if and only if the

Describe the structure of an AI agent that has a hierarchical system architecture. Briefly explain how the architecture works.

What are the three key characteristics of language development?

A ( n ) is used to indicate how data should relate to a given search condition. comparison operator logical operator search pattern criteria

Answer please! 1)Explain why software might need to be modified. a. In the design phase b. In the coding phase. c. In the testing phase. d. In the maintenance phase. 2) What is the difference between an object and an object class? Give some examples.

what are the 4 vicious feedback loops implicated in the development of COVID 1 9 ?

Where do all programs start ?

In python pandas, how to extract rows of a dataframe where one column has specific numeric value?

You manage a network with multiple switches. You find that your switches are experiencing heavy broadcast storms. Which of the following will help reduce the effects of these broadcast storms?

. In this case the transport layer cannot request transmission of information until a connection between the end systems has been setup.

Solve the recurrence relations: (1) T(n) = 3T(n/2) + n, n = 2 k , T(1) = 1 (2) T(n) = 4T(n/2) + n 3 , n = 2 k , T(1) = 1

What are the benefits and drawbacks of open ended and close ended questions? Why is asking the right type of questions important during the analysis stage? What happens if the right questions are not asked and what is the possible impact to the project? Compare the differences between using interview and questionnaires. Which is better?

using PYTHON Implement function pay() that takes as input two arguments: an hourly wage and the number of hours an employee worked in the last week. Your function should compute and return the employees pay. Any hours worked beyond 40 is overtime and should be paid at 1.5 times the regular hourly wage. >>> pay(10, 35) 350 >>> pay(10, 45) 475.0

You are helping your security team consider risk when setting up a new software system. Using the CIA triad, you focus on confidentiality, integrity, and what else?

Consider the problem of finding the largest and second largest elements from a set of n elements. Give a divide and conquer algorithm and show that it takes (3n/2) 2 comparisons when n is a power of 2.

After grouping a df by 'user id' and then getting the average rating by users, how do I add the average ratings as a column to the original data frame? My codes so far are: avgrat_df = rat_df.groupby(['user id'])['rating'].agg(["mean"]) avgrat_df.sort_values(by='mean', ascending=False).head(10)

Network Implementation Which network element enables unified communication devices to connect to and traverse traffic onto the PSTN ? Access switchUC severUC GatewayEdge Router

Foreign language results should never be rated as Highly meets or fully meets

What does the following function do? =VLOOKUP(A2,C2:E12,3,FALSE). in excell

What crimes are lower class people more likely to commit

? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? p r o v i d e s a c c e s s t o B a c k s t a g e v i e w , w h i c h c o n t a i n s c o m m a n d s r e l a t e d t o m a n a g i n g a n d s h a r i n g d o c u m e n t s : C r e a t e , o p e n , s a v e , a n d p r i n t a d o c u m e n t , S h a r e a d o c u m e n t & A c c e s s W o

Suppose x and y are two boolean variables where x is true and y is false, what is the result of the expression ( x && y ) ?

Typically, CTD instructions are always used with ? instructions.A . CTUB. HSCC . RTOD. TON

What protocol can be used to prevent looping and broadcast storms in your network, and how does it work?

List two differences between bitunicate and unitunicate asci?

Write an assembly program to compute the gcd of an array of numbers. The starting address of the array is stored in ARRAY, and its size is stored in SIZE. Assume SIZE > 0.

Prove that for any nxn matrix A, A+A T is symmetric

Which of the following is the second set of clusters

Consider the following optimization problem that is coded in CBC. We are trying to model the sales distribution channel of a supply chain. There are two factories (A, B) and four Malls (M1,M2,M3,M4). On the left you can see the Python code of the optimization problem for CBC library. Please solve the following questions. a. Write the mathematical

explain in as much detail as possible what neuro evolutionary alogirthms are and how they work.

Can you define the difference between internal communications and external communications and an example for both?

why is cost a challenge for forensics in cloud computing?

what can range names not start with

Explain the functionality of the divergence decomposition lemma in the MAB problem

Given the following relational database schema: Users ( uid , name, school, year, age ) Friends ( uid 1 , uid 2 ) Foreign key ( uid 1 ) references Users ( uid ) Foreign key ( uid 2 ) references Users ( uid ) Posts ( pid , uid, text, datetime, rating ) Foreign key ( uid ) references Users ( uid ) Likes ( uid , pid, datetime ) Foreign key ( uid )

Citizens are obliged to listen to and obey any command issued by the ruler

1. Research a network management product or tool of your choice. Describe the product or tool in two or three paragraphs.

This is the simplest type of architecture, in which a single processor executes a single instruction on a single piece of data at a time.

Write one example for the following ALTER TABLE statement: Add a new column Add primary key constraint Add foreign key constraint Modify an existing column definition Define a default value for the new column Drop a column Rename a column Change table to read-only status

How detailed a use case description should be

How detailed a use case description should be

Name ORDER# CUSTOMER# ORDERDATE SHIPDATE SHIPSTREET SHIPCITY SHIPSTATE SHIPZIP Null? Type NOT NULL NUMBER ( 4 ) NUMBER ( 4 ) DATE DATE VARCHAR 2 ( 1 8 ) VARCHAR 2 ( 1 5 ) VARCHAR 2 ( 2 ) VARCHAR 2 ( 5 ) Structure of the ORDERS table + Oracle SQL Plus File Edit Search Options Help Name - - = - - - . Null? Type CUSTOMER# - - - - - - - - LASTNAME NOT

what is an exchange system and what are its adaptations?

I want the correct answer What is the Output of the following code?

What is the Out put of the following code Sub inuenunt (byV(11 1) vat 1 I w I nd Sub 100 for to 100 increment vl next response.write Vt

I want the correct answer Course: Building web applications Add the HTML attribute to make the H1 element blue. \#myheader \{color:blue; html>

digital system design Fold the architecture of following figure (by a factor of 2) and illustrate its diagram

Fold the architecture of following figure (by a factor of 2) and its diagram ytn)

Modified leaves whose cells can sense contact with objects

customer inernnet search histories cpni

what Commander did you subject to change the title of the database to maybe a library books for everyone

b) What is the number of bits needed for the host part in the largest subnet in the graph? (1 Mark) (i) What is the custom subnet mask

This Google search operator allows you to search for web pages with a specific word or phrase in the title.

4.4 When silicon chips are fabricated, defects in materials (e.g., silicon) and manufacturing errors can result in defective circuits. A very common defect is for one signal wire to get broken and always register a logical 0. This is often called a stuck-at-0 fault. 4.4.1 [5] <4.4> Which instructions fail to operate correctly if the MemToReg wire

Draw the logical ERD for the conceptual design given above

review text desiption (z NoOfMels has Drodc has Related Product Name Style Name mid uid male Rating has User Name gender female reviewer name Review rdate B.Jame hay Mateal Name , Cplkctiir,

write the deletion fucntionog the binary search tree make binary search tree for the given element 10 15 12 5 4 20 8 7 14 13i in c prog

5 to 1 0 examples of interview questions for managers over the Red Wolf Recovery Program?

SYSTEM DEVELOPMENT FINAL EXAM