A database that is used to store your tamily names, emails, photos and their phone numbers is considered as: [Select all correct answers) None O Multimedia Database O Traditional Database O GIS system Consider the database schema below for hotels in countries. A country have many hotels, and the same hotel chain (name) are available in different countries. Country (ID: integer Name: String (unique) Hotel (CountrylD: Integer. HorelIName: String. ManagerID: Integer) The same hotel can have two different managers? O No, violates key constraint. O No, violates referential integrity constraint. O No, violates entity Integrity constraint No, violates domain constraints. Yes.
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- java program For this question, the server contains the id, name and cgpa of some Students in a file. The client will request the server for specific data, which the server will provide to the client. Server: The server contains the data of some Students. For each student, the server contains id, name and cgpa data in a file. Here's an example of the file: data.txt101 Saif 3.52201 Hasan 3.81.... Create a similar file in you server side. The file should have at least 8 students. The client will request the server to provide the details (id, name, cgpa) of the Nth highest cgpa student in the file. If N's value is 1, the server will return the details of the student with the highest cgpa. if N's value is 3, the server will return the details of the student with the third highest cgpa. If N's value is incorrect, the server returns to the client: "Invalid request". Client: The client sends the server the value of N, which is an integer number. The client takes input the value of N…Create database of the student with the details such as (name, registernumber, cgpa, age, dayscholar/hosteller). Create a class student with the needed attributes. Use array of objects to store ‘n’ number of students’ details into the database. Write a java program to fetch the following details from the database. a. List of students whose joined in 2018. b. List of students whose age is between 18-20 c. List of students with CGPA less than 5. d. List of students who stay in hostel. e. List of 2019 batch students who are dayscholars.Using Pandas library in python - Calculate student grades project Pandas is a data analysis library built in Python. Pandas can be used in a Python script, a Jupyter Notebook, or even as part of a web application. In this pandas project, you’re going to create a Python script that loads grade data of 5 to 10 students (a .csv file) and calculates their letter grades in the course. The CSV file contains 5 column students' names, score in-class participation (5% of final grade), score in assignments (20% of final grade), score in discussions (20% of final grade), score in the mid term (20% of final grade), score in final (25% of final grade). Create the .csv file as part of the project submission Program Output This will happen when the program runs Enter the CSV file Student 1 named Brian Tomas has a letter grade of B+ Student 2 named Tom Blank has a letter grade of C Student 3 named Margo True has a letter grade of A Student 4 named David Atkin has a letter grade of B+ Student 5 named…
- How can we implement the requirement for "Hotel booking management "? - The system can display the availability of the room on a specific date. (search based on the date entered and display)- Staff can book (we add our own functionalities here: cancel booking, etc.).- Staff can give a discount on a certain room. (change the discount attribute).- The system can generate a report for the booking. (print all the details of the booking) #include <string>using namespace std; class Room {string type; // standard, family, deluxedouble price; // Searchingdouble discount;bool booked;string facilites[5];string bookedAt[30];}Create a Java Servlet program that allows a user to enter their expenses on each day. It includes fields like Date Expense-type(food , hospital, entertainment, clothing...), Amount, Level-of-need (high, moderate, low). Create a database that stores the details every day .At the end if each month print the following Total expense made on lower needs Total expense made on entertainment Also, specify the category of expense that was maximum during the monthPlease explain the flow of this C++ Program. It doesn't have to be long as long as you explain the each function of the program, if you can explain it line by line then it is better and I will give you a good rating. #include <cstdlib> #include <math.h> #include <cstring> #include <iostream> using namespace std; class HashTable { string* table; int N; int count; // TODO: Polynomial Hash Code using a=7 int hash_code(string key) { int code; int hash = 0; for (int i = 0; i < key.size(); i++) { char ch = key[i]; code += ((ch - 96) * pow(7, key.size() - (i + 1))); } return code; } // TODO: This hash table uses a MAD compression function // where a = 11, b = 461, p = 919 int compress(int code) { return (((11*code)+461) % 919) % N; } // Using the knowledge that a hash function is composed of two portions int hashfn(string key) { return compress(hash_code(key)); } public:…
- Solve it in python: You need to use the pictures followed by this question to be able to answer this question a. Write a Pandas program to read a dataset from automobiles DataFrame and modify the defaultcolumns values and print the first 10 rows.b. Write a Pandas program to select a series from automobilesDataFrame. Print the content of the series.c. Write a Pandas program to create a new Company - Price' Series (use bracket notation to define theSeries name) of the automobiles DataFramed. Write a Pandas program to remove body style, engine type, length columns at once of the automobilesDataframee. Write a Pandas program to sort the entire automobiles DataFrame by the price Series in ascendingand descending order.f. Write a Pandas program to find average price and change from nan to average price according to otherautomobiles of same company.g. Write a Pandas program to find the automobiles that are either hatchback or wagon.h. Write a Pandas program to read rows 0, 5, 7 and all…A document is represented as a collection paragraphs, a paragraph is represented as a collection of sentences, a sentence is represented as a collection of words and a word is represented as a collection of lower-case ([a-z]) and upper-case ([A-Z]) English characters. You will convert a raw text document into its component paragraphs, sentences and words. To test your results, queries will ask you to return a specific paragraph, sentence or word as described below. Alicia is studying the C programming language at the University of Dunkirk and she represents the words, sentences, paragraphs, and documents using pointers: A word is described by . A sentence is described by . The words in the sentence are separated by one space (" "). The last word does not end with a space(" "). A paragraph is described by . The sentences in the paragraph are separated by one period ("."). A document is described by . The paragraphs in the document are separated by one newline("\n"). The last paragraph…A document is represented as a collection paragraphs, a paragraph is represented as a collection of sentences, a sentence is represented as a collection of words and a word is represented as a collection of lower-case ([a-z]) and upper-case ([A-Z]) English characters. You will convert a raw text document into its component paragraphs, sentences and words. To test your results, queries will ask you to return a specific paragraph, sentence or word as described below. Alicia is studying the C programming language at the University of Dunkirk and she represents the words, sentences, paragraphs, and documents using pointers: A word is described by . A sentence is described by . The words in the sentence are separated by one space (" "). The last word does not end with a space(" "). A paragraph is described by . The sentences in the paragraph are separated by one period ("."). A document is described by . The paragraphs in the document are separated by one newline("\n"). The last paragraph…
- Students' class and test scores should be stored in a database using their index numbers. They just had to take three courses: English 101, Math (MATH 101), and Science (ENGL 101). (SCI 101). Tip: Use a mix of dictionaries and one of the following two approaches: lists or tuples.Considering the dates API in java.time, it is correct to say: 1. It is possible to represent a date as text in any language, as long as you provide the respective information as Locale. B. It is not a Postgres database compatible type. Ç. It is not possible to represent dates before the year 2000. D. The main class in this package is java.util.Date. 5. It follows the standard defined in ISO 8601, so it is ONLY possible to display the data in English.Need help with this python question. You can't use break, str.endswith, list.index, keywords like: await, as, assert, class, except, lambda, and built in functions like: any, all, breakpoint, callable. (Question in images at bottom) Starter Code import random def spider_web(web_map, starting_place, destination): pass def spider_web_rec(web_map, starting_place, destination, visited): pass def make_spider_web(num_nodes, seed=0): if seed: random.seed(seed) web_map = {} for i in range(1, num_nodes + 1): web_map[f'Node {i}'] = [] for i in range(1, num_nodes + 1): sample = random.sample(list(range(i, num_nodes + 1)), random.randint(1, num_nodes - i + 1)) print('sample', i, sample) for x in sample: if i != x: web_map[f'Node {i}'].append(f'Node {x}') web_map[f'Node {x}'].append(f'Node {i}') return web_map if __name__ == '__main__': num_nodes, seed = [int(x) for x…