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- Start a database transaction. Next time we meet, we'll be optimistic.Can you walk me through the steps of executing a SQL query on the command prompt to import a MySql database?Given the code below, what would be the answers for the following questions: 1. In which method is the call to the database being executed? 2. What is the name of the database this is being accessed? 3. What is the name of the database table being accessed? 4. Which column is being retrieved from the database table? import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.*;import java.io.IOException;import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.SQLException;import java.sql.Statement;import java.util.Scanner;public class guiDBExample extends JFrame implements ActionListener { String inputNumber; int sqlNumber; String partName = null; String partDescription = null; String partPrice = null; JTextField name; JTextField number; public guiDBExample() { buildGUI(); } public final void buildGUI() { JPanel panel1 = new JPanel(); JPanel panel2 =…
- Create a SQL program where a user can check all the books online. They can also order a book online, in which case the inventory will get updated, and the book count will reduce.This is my attempt at DBDL statements trying to plan a database in MySQL. Employers: CREATE TABLE Employers ( EmployerID INT PRIMARY KEY, CompanyName VARCHAR(255), Location VARCHAR(255), ContactInfo VARCHAR(255), ); Customers: CREATE TABLE Customers ( CustomerID INT PRIMARY KEY, Name VARCHAR(255), ContactInfo VARCHAR(255), Education VARCHAR(255), Experience INT ); Reference: CREATE TABLE References ( ReferenceID INT PRIMARY KEY, Name VARCHAR(255), ContactInfo VARCHAR(255), RelationshipToCustomer VARCHAR(255) ); Skills: CREATE TABLE Skills ( SkillID INT PRIMARY KEY, SkillName VARCHAR(255), ProficiencyLevel VARCHAR(255) ); EmploymentPositions: CREATE TABLE EmploymentPositions ( PositionID INT PRIMARY KEY, PostionTitle VARCHAR(255), EmployerID INT, Duration VARCHAR(255), FOREIGN KEY (EmployerID) REFERENCES Employers(EmployerID) ); Interviews: CREATE TABLE Interviews ( InterviewID INT PRIMARY KEY, InterviewDate DATE, Interviewer VARCHAR(255), Feedback VARCHAR(255) ); HiringStatus:…Suppose we have a relational database with five tables. table key Attributes S(sid, A) Sid T(tid, B) Tid U(uid, C) Uid R(sid, tid, D) sid, tid Q(tid, uid, E) tid, uid Here R implements a many-to-many relationship between the entities implemented with tables S and T, and Q implements a many-to-many relationship between the entities implemented with tables T and U. A. Write an SQL query that returns all records of the form sid, uid where sid is the key of an S- record and uid is the key of a U-record and these two records are related through the relations R and Q. Use SELECT and not SELECT DISTINCT in your query. B. Write an SQL query that returns records of the form A, C where the A-value is from an S- record and the C-value is from a U-record and these two records are related through the relations R and Q. Use SELECT and not SELECT DISTINCT in your query. C. Could one of your queries from parts (a) and (b) return more records than the other? If so, which one? Justify your answer. D.…
- Suppose we have a relational database with five tables. table key Attributes S(sid, A) Sid T(tid, B) Tid U(uid, C) Uid R(sid, tid, D) sid, tid Q(tid, uid, E) tid, uid Here R implements a many-to-many relationship between the entities implemented with tables S and T, and Q implements a many-to-many relationship between the entities implemented with tables T and U. A. Write an SQL query that returns all records of the form sid, uid where sid is the key of an Srecord and uid is the key of a U-record and these two records are related through the relations R and Q. Use SELECT and not SELECT DISTINCT in your query. B. Write an SQL query that returns records of the form A, C where the A-value is from an Srecord and the C-value is from a U-record and these two records are related through the relations R and Q. Use SELECT and not SELECT DISTINCT in your query. C. Could one of your queries from parts (a) and (b) return…Consider a basic database that stores information about students' grades. Create a database and offer a SQL query that returns a list of honour roll students (top 10%), ordered by grade point average.In a relational database, a select operation reduces the size of a table by eliminating columns that meet specified specifications.Is this statement accurate or incorrect?
- What does the INSERT statement do? a. Fetch data from a database b. Insert new rows into a table c. Insert new columns into a table d. Insert a new table into a databaseA programmer is creating a database Which entry includes two entities? A. A person and the car the person drives B. A person and the person's last name C.A person's name and the car a person drives D. A person's car and that car's vehicle identification number