please read sql query and interpret what its saying and the result it will give SELECTFROM();SELECTFROMWHEREGROUP BYMAX(count)er.trainee_id,COUNT(er.score) AS countexam_results erer.score IS NOT NULLer.trainee_id

Considering a Table "exam_results" populated with some Sample Data:

Answered: SELECT FROM ( SELECT MAX(count)…

Engineering

Computer Science

SELECT FROM ( SELECT MAX(count) er.trainee_id, COUNT(er.score) AS count

Programming Logic & Design Comprehensive

9th Edition

ISBN:9781337669405

Author:FARRELL

Publisher:FARRELL

Chapter8: Advanced Data Handling Concepts

Section: Chapter Questions

Problem 17RQ

See similar textbooks

Related questions

Q: Discuss two of the following knowledge presentation forms: Horn clauses, semantic networks, frames,…

A: So, we need to answer any two of the given knowledge presentation forms. Let's first understand what…

Q: Following the development and testing of individual software modules, they must be combined and…

A: Introduction: Software development refers to computer programming, which is the process of writing…

Q: Consider the following P = (P1, P2, P3, P4, P5} R = {R1, R2, R3, R4} E = {P3 R1, P2-R2, R4→P4,…

A: Banker’s algorithm is used for the given question. In terms of the resource and processes, the…

Q: a) A packet enters a router. Assume the router spends 0.01ms processing the packet. The router…

A: According to the question, we have to explain the four sources of delay in the network according to…

Q: Write a complete C++ program that asks the user to input information for at least 10 students. Use…

A: Write a complete C++ program that asks the user to input information for at least 10 students. Use…

Q: Let's say that an employee's regular pay is rate times hours. If they work more than 40 hours, they…

A: Solution: Given, If they work more than 40 hours, they get time and a half. In that case, we…

Q: ARP Request Destination MAC: FF:FF:FF:FF:FF:FF

A: Introduction: Below describe the How its function Destination MAC

Q: Describe the words accepted by the following languages (a + b)c* (a*c)+(ab*) (00)* + (1(11)*) (((a…

A: We need to describe the words accepted by the given languages.

Q: Write a complete C++ program that asks the user to input information for at least 10 students. Use…

A: - We have to code for the structure sort problem.

Q: Host A and B are directly connected with a 100 Mbps link. There is one TCP connection between the…

A: Here we have given the effect of TCP flow control.You can find the solution step 2.

Q: What is the minimum number of 1’s in the adjacency matrix of a connected undirected graph of N…

A: Dear Student, Minimum numbers of 1's is present in a connected unidirectional graph of N vertices…

Q: Question 3 (a) Design a class named Point with two private attributes x and y of type int for the…

A: According to the information given:- We have to follow the instruction in order to get desired…

Q: b) Given a network address of 198.132.26.0/24, efficiently assign addresses to the 3 subnets:…

A: Solution is:-

Q: 8. Create a view that shows id, location type, and rental fee from the d_venues table and the name…

A: View: View is a virtual table that is created based on the set of SQL statements. Like table, view…

Q: Suppose you want your firewall to block all incoming Telnet connections but to allow outbound Telnet…

A: Telnet Connections We need to modify our firewall in such a way that we can obstruct all the…

Q: ~p q P q ~p ~p q T T T F F T F F

A: Given that: p T T F F and q T F T F

Q: Complete this program so that it will produce the output below. (Hint: Overload the << operator)

Q: 14. Assume that class B is derived publicly from class A. Class A has two functions, f1() and f2().…

A: A virtual function is one which can be overridden, means the derived class can modify it's…

Q: What is meant by a control plane that is based on per- router control? In such cases, when we say…

Q: 7. Assuming that an operator overload for the stream extraction operator is created for class Planet…

A: 7. option c , cin>>Planet p; 8. True 9. option c, both a and b are correct

Q: ch of the following statements describes a pat

A: Introduction: A patron is defined as a frequent customer of a business or as someone who donates…

Q: Show all steps of the algorithm.

A: A Spanning Tree is a tree (directed or undirected) that connects all the nodes in a graph, and the…

Q: 1- Write a function that finds the max of three numbers that are passed to it.

A: Step 1: input three user input number. Step2: Add three numbers to list. Step 3: Using max()…

Q: SA3: If f(N) runs in O(N**2), and f(2000) takes 3 seconds, how long would we expect f(6000) take?

A: with the given data calculated how many seconds will take to f(6000) below

Q: A PC-relative mode branch instruction is 3 bytes long. The address of the instruction, in decimal,…

A: EA for pc address = next instruction address + offset(signed number) next instruction address =…

Q: What will be the output of the given program class A ( } int m=20, n-30; void display() {…

A: Problem Analysis: The problem is based on the basics of inheritance in java programming language.

Q: Current penalties for individuals caught speeding in Queensland are: Infringement Penalty amount…

A: According to the question, we have to write a program code for speeding fines according to given…

Q: In a stack, items are added and deleted only at one end, referred to as the of the stack.

A: Stack is a linear data structure where elements are sorted in linear fashion and elements are…

Q: What is the most appropriate no. of clusters for the data points represented by the following…

A: Dendrogram is basically a tree representation which are used to represent clustering and this…

Q: Given the MileageTrackerNode class, complete main() in the MileageTracker LinkedList class to insert…

A: Here is Java code : //MileageTrackerLinkedList.java import java.util.Scanner; public class…

Q: =) Find the moment of inertia of a hollow cylinder about the axis of the cylinder using a AVA…

A: CODE: import java.util.*; public class test { public static void main(String[] args) {…

Q: How can you aid in preventing internal and external threats?

A: Threat: A threat is nothing but a suspicious or malicious activity they can damage the sensitive…

Q: Develop recurrence relations for the last 3 columns of table 1. Use the recurrence relation you…

A: What is an amortization schedule?A mortgage payment schedule is a table that lists each regular…

Q: Write a function to check the prime number. Your function takes one parameter (input), a natural…

A: As it is mentioned to use any language, we are providing the PYTHON code The code is given below…

Q: Assume that a computer system is having 4-page frames for holding process pages in the main memory.…

A: Here is the explanation:

Q: Fredwick wants a program in which he can continuously enter some positive integer values and the…

A: Note: When somebody enters the negative value, the program terminates without displaying any value…

Q: QUESTION 5 A differentiated services router distinguishes between packet flows by using the packets'…

A: Disclaimer: “Since you have asked multiple questions, we will solve the first question for you. If…

Q: A. Nyatakan / Denote B. Pengekodan / Encode C. Nyahkod / Decode D.

A: the answer is an DECODE

Q: The x86 includes the following instruction: IMUL op1, op2, immediate This instruction multiplies…

Q: with-1), adding each person to the peoplelnQueue queue. Then, remove Include print statements as…

A: import java.util.Scanner;import java.util.LinkedList;import java.util.Queue; public class…

Q: 3. [CO2] Let's assume you have an instruction bne $10, $11, 72. PC value for the instruction is…

A: Complete answer is solved with proper explanation:

Q: X discuss the two understandings of artificial intelligence: from a philosophical perspective and…

A: - We need to talk about the understanding of artificial intelligence from philosophical and…

Q: Define a method computeGasVolume that returns the volume of a gas given parameters pressure,…

A: Here is program code : // Header files section#include <stdio.h> // constan declarationconst…

Q: 4 Consider a microprocessor that has a block I/O transfer instruction such as that found on the…

Q: What happens when a TCP based packet exits a NAT firewall

A: A Network Address Translation firewall operates on a router to protect the private network. It works…

Q: 1. Concepts Understanding (1.1) Of all the available datapath components, please specify (place a…

Q: Consider a network that is a rooted tree, with the root as its source, the leaves as its sinks, and…

A: For this question, We will take benefit of Recursive Structure of a rooted tree, an efficient…

Q: Encode oevopov with Huffman coding. a. List all symbols and their probabilities b. Find the Huffman…

Q: Which of the following is a device identification string that can be used to control the…

A: The correct answer for the above question is given in the following steps for your reference

Q: in c# Write a console app that inputs a sentence from the user (assume no punctuation), then…

A: The program is written in step 2

Question

please read sql query and interpret what its saying and the result it will give

SELECT
FROM
(
);
SELECT
FROM
WHERE
GROUP BY
MAX(count)
er.trainee_id,
COUNT(er.score) AS count
exam_results er
er.score IS NOT NULL
er.trainee_id

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.

Similar questions

CRUD analysis helps to identify possible collaborations between objects True False
# Begin constantsCOLUMN_ID = 0COLUMN_NAME = 1COLUMN_HIGHWAY = 2COLUMN_LAT = 3COLUMN_LON = 4COLUMN_YEAR_BUILT = 5COLUMN_LAST_MAJOR_REHAB = 6COLUMN_LAST_MINOR_REHAB = 7COLUMN_NUM_SPANS = 8COLUMN_SPAN_DETAILS = 9COLUMN_DECK_LENGTH = 10COLUMN_LAST_INSPECTED = 11COLUMN_BCI = 12 INDEX_BCI_YEARS = 0INDEX_BCI_SCORES = 1MISSING_BCI = -1.0 EARTH_RADIUS = 6371 # Sample data for docstring examplesdef create_example_bridge_1() -> list:"""Return a bridge in our list-format to use for doctest examples. This bridge is the same as the bridge from row 3 of the dataset.""" return [1, 'Highway 24 Underpass at Highway 403','403', 43.167233, -80.275567, '1965', '2014', '2009', 4,[12.0, 19.0, 21.0, 12.0], 65.0, '04/13/2012',[['2013', '2012', '2011', '2010', '2009', '2008', '2007','2006', '2005', '2004', '2003', '2002', '2001', '2000'],[MISSING_BCI, 72.3, MISSING_BCI, 69.5, MISSING_BCI, 70.0, MISSING_BCI,70.3, MISSING_BCI, 70.5, MISSING_BCI, 70.7, 72.9, MISSING_BCI]]] def create_example_bridge_2() ->…
write this in relation algebra SELECT COUNT(*) , b.bid, b.bnameFROM reservation r INNER JOIN book b ON r.bid = b.bid WHERE b.theme = 'Horror'GROUP BY b.bname
METHOD TO DO THE HOMEWORK PROBLEM: *Create the SDLC model of Shopee. *Choose 2 models below that is best to use in the application.
Write this in relation algebra select C.sid,C.sname from book A,reservation B,student Cwhere A.bid=B.bid and B.sid=C.sid and A.theme='Drama'
Model evaluation Create a predictions variable using your fitted model and the test dataset; call it y_pred. Then get the accuracy score of your predictions and save it in a variable called accuracy. Finally get the confusion matrix for your predictions and save it in a variable called confusion_mat. Code: y_pred = Noneaccuracy = Noneconfusion_mat = None
Given only original answer not plagiarised otherwize will dislike.
Below is my RolePermission Model:@Entity@Getter@Setterpublic class RolePermission {@Id@GeneratedValue(strategy = GenerationType.SEQUENCE,generator = "Id")// @Column(name = "id", nullable = false)private Long id;//@ManyToOne(fetch = FetchType.LAZY,cascade = CascadeType.REMOVE)// @ManyToOne@JoinColumn(name = "roleId")@JsonIgnoreRole role;@ManyToOne(fetch = FetchType.LAZY,cascade = CascadeType.REMOVE)// @ManyToOne@JoinColumn(name = "permissionId")// @JoinColumn(name = "permissionId", referencedColumnName = "permission",// insertable = false,updatable = false)@LazyToOne(LazyToOneOption.NO_PROXY)@JsonIgnorePermission permission;@CreatedDate@CreationTimestamp@DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME)LocalDateTime createdAt;@LastModifiedDate@UpdateTimestamp@DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME)LocalDateTime updatedAt;}
Dont solve wrong else provide dislikes
Dashboard operations are applied globally to all datasets.A collection of possible responsesTrue \False
Customer ={idC(PK), surname} Contract ={idC(PK), customer, consultant, insurance_type, date} Consultant means: id of some Staff member Staff={idPerson(PK), surname,dob, boss, email} Dob means: date of birth, boss: is id of another Staff member supervisor Insurance_Type={idT(pk) , Tname , price , length } Length = number of months it is valid (from the date when it was bought ) Find consultants born after some contract was already signed?
One-to-many relationships are defined.