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SQL
SQL stands for Structured Query Language, is a form of communication that uses queries structured in a specific format to store, manage & retrieve data from a relational database.
Queries
A query is a type of computer programming language that is used to retrieve data from a database. Databases are useful in a variety of ways. They enable the retrieval of records or parts of records, as well as the performance of various calculations prior to displaying the results. A search query is one type of query that many people perform several times per day. A search query is executed every time you use a search engine to find something. When you press the Enter key, the keywords are sent to the search engine, where they are processed by an algorithm that retrieves related results from the search index. Your query's results are displayed on a search engine results page, or SER.
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- In cell C18 type a VLOOKUP function to find the corresponding letter grade (from column D) for the name in A18. The table array parameter is the same as in B18. Type FALSE for the range lookup parameter. Copy the formula in C18 to C19:C22Notice this formula works correctly for all cells. Range lookup of FALSE means do an exact match on the lookup value whether or not the table array is sorted by its first column. In cell E11, type an IF function that compares the score in B11 with the minimum score to pass in A5. If the comparison value is true, display Pass. Otherwise, display Fail. Copy the formula in E11 to E12:E15. Did you use appropriate absolute and relative references so the formula copied properly? In cell F11, type an IF function that compares the grade in D11 with the letter F (type F). If these two are not equal, display Pass. Otherwise, display Fail. Copy the formula in F11 to F12:F152. Create xand y vectors to represent the following data: yl/x- x = 15 x = 30 y= 10 2 = 23 33 20 45 55 30 60 70 40 82 92 50 11 121 60 140 150 70 167 177 80 198 198 90 200 210 100 20 230 26 1. Plot both scts of y-z data on the same plot. Add a legend identifying which valuc of x applics to cach data set. 2. Use two-dimensional lincar interpolation to approximate the valuc of : when y= 15 and x 20. 3. Use two-dimensional cubic splinc interpolation to approximate the value of z when y 15 and x = 20. 4. Usc lincar interpolation to create a new subtable for x 20 and x = 25 for all the yvalucs.The following numbers are inserted into an empty LLRBT in the given order: 11, 2, 14, 25, 15, 13, 16. Please draw the resulting LLRBT.
- Task 4 Get Binary 2: For task 4 Implement the get_bin_2 function as directed in the comment above the function. If the directions are unclear, run the code, and look at the expected answer for a few inputs. For your solution, you should refer to your solution for Task 2 to get the general idea for Task 4, and you should use largest_po2_le in your solution (think about why this might be useful in terms of the binary representation). Make sure you build the string for 0 and negative numbers correctly. The same restrictions apply from Task 2. Code#include <stdio.h>#include <stdbool.h>#include <stdlib.h> // BEGIN STRINGBUILDER IMPLEMENTATION // This code is a very rudimentary stringbuilder-like implementation// To create a new stringbuilder, use the following line of code//// stringbuilder sb = new_sb();//// If you want to append a character to the stringbuilder, use the// following line of code. Replace whatever character you want to// append where the 'a' is.////…Q12: Given x=[76120-1 43 -2 0] what are the commands that will execute the following operations: a. Sets the negative values of x to zero. b. Extract the values of x greater than 3 in a vector y. c. Add 3 to the values of x that are even. d. Set the values of x that are less than the mean to zero. e. Set the values of x that is greater than the mean to their difference with the mean.Problem 1 In this problem, we want to sort an input array. Problem 1A (easier) In this problem, develop an algorithm that, given an unsorted array, creates a new array which is the sorted version of the given array. Here is the main idea of the algorithm: first scan through the original input array, finding the smallest element, and then insert this element into the beginning (index 0) of the new array, and remove this smallest element from the input array. Next, scan the (shortened) input array again, finding the smallest element, and then insert it into the next available position of the new array and remove it from the input array. Repeat the process until the original array becomes size 0 (also the new array contains all the values in the original input array). Develop flowchart for this algorithm, Hint: you will need nested loops for doing the work in one main algorithm. You can also write a sub- program to do some work. In this case the main algorithm has one loop. Hint: to find…
- Quicksort Pivot should be selected as the Rightmost element.3 نقاط * To plot two curves on the -:same figure area (hold on) is the command used between two plot statements. a loop that runs two times is used. the number (2) is placed before the command (plot). the command (clc) is used between two plot statements. a two dimensional matrix is used. هذا السؤال مطلوب Dl JO 100 4G 2:02 AM @ 52% assignment_3 v2 AI and ML Assignment 3 Write a python program to cluster candidates into 2/3 groups. The program performs dimensionality reduction, then clustering of candidates based on top 2 PCs. The results are plotted to visually show the performance of candidates. The program performs the following tasks: Read input "pca cluster.csv" file. Use Panda library. Example of the file: candi cand2 cand3 cand4 cand5 cad6 experience 10 9 7 3 education 10 10 8 10 health 4 6 8 9 9. interview 9 6 6 8 7 test 4 9. 10 communication skills 7. 6 9 10 10 writing skills team player leadership 10 9 6 6. 8 7 4 10 9 4 10 4 9 6 8 5 9 7 enthusiasm 7. 7 7 9 ready to start 5 6 6. 9 1 flexible in hours 10 1 9. 5 6. able to relocate 6 6 6. 10 4 references 9 9 7 9 4 10 • Apply PCA analysis to identify top 2 PCs. Eigen No. 0 Eigen value (33.50+0j) Contribution % (40.87+0j) Points on new scale [5 5-8 3 0-5] Eigen No. I Eigen value- (22.65+Oj) Contribution % (27.63+0j) Points on new…
- I am making a program that works with a CSV file with three columns: names, cities, and heights. I'm trying to find the person with the most average height in their city. I found the average, but I need to create a difference table to find the person whose height is closest to the average. import csvdata = []with open("C:\\Users\\lucas\\Downloads\\sample-data.csv") as f: reader = csv.reader(f) for row in csv.reader(f): data.append(list(row)) f.close()data.pop(0)# print(data) city_list = []for i in range(len(data)): city_list.append(data[i][1])city_list.sort()print(city_list) unique_cities = []people_count = []for city in city_list: # this if statement analyzes which cities are in unique_cities. If they are not in the list, # then they will be appended into the list if city not in unique_cities: unique_cities.append(city) for city in unique_cities: # because unique cities lists one of each city, # and because we want to count the frequency of the…Carry out the code for Choice Sort and Transfer the screen captureDownvote for incorrect and copy. Make sure use function in it.