Assume the tv_guide database was created with the two tables tvstation and play that are shown in the diagram. How do you produce a report with the following columns? play.channel, play.name, play.playDate, play.playTime, tvstation.city, tvstation.email AND the report must be ordered by channel DESCENDING. tvstation channel (PK) callleters city st phone email url |++ play name (PK) playdate (PK) playtime (PK) (FK) channel (PK) episodelD affiliate

Assume the tv_guide database was created with the two tables tvstation and play that are shown in the diagram. How do you produce a report with the following columns? play.channel, play.name, play.playDate, play.playTime, tvstation.city, tvstation.email AND the report must be ordered by channel DESCENDING. tvstation channel (PK) callleters city st phone email url |++ play name (PK) playdate (PK) playtime (PK) (FK) channel (PK) episodelD affiliate

Fundamentals of Information Systems

8th Edition

ISBN:9781305082168

Author:Ralph Stair, George Reynolds

Publisher:Ralph Stair, George Reynolds

Chapter3: Database Systems And Applications

Section: Chapter Questions

Problem 3PSE

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Referring to Appendix A below, code a MySQL statement to display the number of sales orders. APPENDIX A – Table definitions and initializations-- MySQL script to initialize a MySQL database and four tables:-- customer, detail, item, salesorder--DROP DATABASE IF EXISTS finaldb;CREATE DATABASE finaldb;USE finaldb;CREATE TABLE customer ( c_num varchar(16), c_name varchar(128));CREATE TABLE detail ( d_onum varchar(16), d_inum varchar(16), d_qty int);CREATE TABLE item ( i_num varchar(16), i_name varchar(128), i_price decimal(9,2), i_qty int);CREATE TABLE salesorder ( s_num varchar(16), s_cnum varchar(16), s_date date);INSERT INTO customer VALUES ('c101','Sam Paint'), ('c102','Ramon Hardware'), ('c103','Li Auto');--INSERT INTO detail VALUES ('s201','i301',21), ('s201','i302',22), ('s202','i302',23), ('s202','i303',24), ('s203','i303',25), ('s203','i304',26);--INSERT INTO item VALUES ('i301','Doormat',6.00,80),…
Question 1) We plan to construct a database for the FAU parking service shstem. The FAU has many parking-lots which can accommodate many vehicles.  Each parking-lot has id, name, and location. A parking-lot consists of many parking spaces (or spots) and each parking space (or spots) has a unique number.  Every student has School_ID and name. A student can purchase more than one parking-permit.  A vehicle has id, brand, and color. A student can own multiple vehicle.  Each parking permit has no. and price. A parking-permit allows a vehicle to park in dedicated parking spaces (or spots).  The FAU maintains a time table and uses it to record when a student parks a vehicle at a dedicated parking space (or spot) at a specific time-slot in the time- table.  A time-table has id, date, and hour. Draw an ER diagram for this application. Specify key attributes of each entity type and structural constraints on each relationship type. Note any unspecified requirements, and make appropriate…
Referring to Appendix A below, code a MySQL statement to display the item number and name for all items. APPENDIX A – Table definitions and initializations-- MySQL script to initialize a MySQL database and four tables:-- customer, detail, item, salesorder--DROP DATABASE IF EXISTS finaldb;CREATE DATABASE finaldb;USE finaldb;CREATE TABLE customer ( c_num varchar(16), c_name varchar(128));CREATE TABLE detail ( d_onum varchar(16), d_inum varchar(16), d_qty int);CREATE TABLE item ( i_num varchar(16), i_name varchar(128), i_price decimal(9,2), i_qty int);CREATE TABLE salesorder ( s_num varchar(16), s_cnum varchar(16), s_date date);INSERT INTO customer VALUES ('c101','Sam Paint'), ('c102','Ramon Hardware'), ('c103','Li Auto');--INSERT INTO detail VALUES ('s201','i301',21), ('s201','i302',22), ('s202','i302',23), ('s202','i303',24), ('s203','i303',25), ('s203','i304',26);--INSERT INTO item VALUES ('i301','Doormat',6.00,80),…
_&plase helo with Course: Database *(SQL)* Please excute the given SQL script (https://drive.google.com/file/d/1zxe_aOhERjVCL54_zbgSLkFTRHYQhOPW/view?usp=sharing) for accessing the data. The data is described in the following relation schemas: Airport (airportID, name, city) Passenger (ticketNo, name, nationality, flightNo, seatNo)FK: flightNo references Flight (flightNo)FK: seatNo references Seat (seatNo) Flight (flightNo, flightCompany, departAirport, arrivalAirport)FK: departAirport references Airport (airportID)FK: arrivalAirport references Airport (airportID) Seat (seatNo, flightNo, class)FK: flightNo references Flight (flightNo) #Construct the SQL statements based on following transactions:1. Retrieve all rows in Airport table for all the airports in London city.2. Retrieve all British and German passengers.3. Retrieve all names of all the passengers..
3.1 Create a database Cat with the following schema: CREATE TABLE owners ( ownerid integer, name text, age integer, PRIMARY KEY (ownerid) ); CREATE TABLE cats ( catid integer, owner integer, name text, breed text, age integer, PRIMARY KEY (catid), FOREIGN KEY (owner) REFERENCES owners);
Referring to Appendix A below, code a MySQL statement to display the sales order number and customer name for all sales orders. APPENDIX A – Table definitions and initializations-- MySQL script to initialize a MySQL database and four tables:-- customer, detail, item, salesorder--DROP DATABASE IF EXISTS finaldb;CREATE DATABASE finaldb;USE finaldb;CREATE TABLE customer ( c_num varchar(16), c_name varchar(128));CREATE TABLE detail ( d_onum varchar(16), d_inum varchar(16), d_qty int);CREATE TABLE item ( i_num varchar(16), i_name varchar(128), i_price decimal(9,2), i_qty int);CREATE TABLE salesorder ( s_num varchar(16), s_cnum varchar(16), s_date date);INSERT INTO customer VALUES ('c101','Sam Paint'), ('c102','Ramon Hardware'), ('c103','Li Auto');--INSERT INTO detail VALUES ('s201','i301',21), ('s201','i302',22), ('s202','i302',23), ('s202','i303',24), ('s203','i303',25), ('s203','i304',26);--INSERT INTO item VALUES…
Q3: Emp (Eno, Ename, Title, City) Project(Pno, Pname, Budget, City) Works(Eno, Pno, Resp, Dur) SELECT Ename, Pname FROM Emp e, Works w, Project p WHERE e.Eno = w.Eno AND e.city = p.Eno AND p.city = Newark AND w.Dur > 40 Given the database schema and the query above and knowing that only 1% of the employees work on a project for 40 months or more, propose an optimized query plan and discuss the indexes needed
Imagine you work for an independent grocery store with 20 employees. The business owner has tasked you with creating a relational database that will track employee names, IDs, positions (e.g., cashier, manager, clerk, or night crew), and salaries. Create a relational database table in Microsoft® Excel® for the grocery store using the provided data points. Apply the universal rules (unique primary keys, unique column names, no duplicate rows) to your table. Include all necessary null values. Display in the table the requested database queries: INSERT INTO Account: VALUES (188820, ‘Wendall Glass’, $12/h) UPDATE Account: Set salary = $12/h WHERE ID = 128872 DELETE FROM Account WHERE ID = 244332 Calculate the grocery store’s SUM salary and the AVG salary per position.
1) A database can have both Clustered and Unclustered Indexes for the same table? True False 2) Briefly define or describe a Clustered Index in 2-4 sentences. 3) Most Selective Access Path is a query optimization strategy which focuses on... A) Reducing the number of rows in query steps B) Ensuring there's an index for every query step C) Choosing which type of index works best
mapping erd to relational schema Do it like picture please In Rectangles This is a data: I need draw making for this making schema please a)Mapping ERD to Relational Schema : Employee (empNo, ename, hiredate, DOB, phoneNo, gender, salary, commission, position, grade) Transaction (transactiondate, empNo, username, position) Login (ID, password) Grade (grade, salaryRange) Position (position, allowance) Allowance (allowance, allowanceDescription) Vehicle (empNo, make, model, nextMaintenance) Project (projectNo, projectName) Department (deptNo, deptName, deptDescription, totalEmpNo) Employee_Project (empNo, projectNo) Explanation: To map the ERD (Entity Relationship Diagram) to a relational schema, we need to identify the entities, relationships, and attributes in the diagram and convert them to tables, columns, and relationships in a relational database. Here is the relational schema for the entities provided: Employee (empno PK, ename, hiredate, DOB, PhoneNo, gender,…
Wally Los Gatos decides to pursue a law degree. After graduating, he has teamed up with Lyla El Pajaroto form Peck and Paw, Attorneys at Law. Wally and Lyla have hired you to design a database systembased upon the following set of business rules. It is in your best interest to perform a thorough analysis, toavoid needless litigation. Please create an ER model based up on the following set of rules:• an attorney is retained by one or more clients, for each case• attributes of attorney are: attorneyID, name (firstName, lastName), address (street, city, state,zipcode), specialty (may be more than one), bar (may be more than one)• a client may have only one attorney for each case• attributes of client are name (firstName, lastName), address, city, state, zipcode, telephone,dateOfBirth• a client may have more than one case• attributes of case are caseID, case_description, caseType• an attorney may have more than one case• each case is assigned to one and only one court• attributes of court…
B.The Hudson Engineering Group (HEG) has contacted you to create a conceptual model whose application will meet the expected database requirements for the company's training program. The HEG administrator gives you the following description of the training group's operating environment. (Hint: Some of the following sentences identify the volume of data rather than cardinalities. Can you tell which ones?) The HEG has 12 instructors and can handle up to 30 trainees per class. HEG offers 5 Advanced Technology courses, each of which may generate several classes. If a class has fewer than 10 trainees, it will be canceled. Therefore, it is possible for a course not to generate any classes. Each class is taught by one instructor. Each instructor may teach up to 2 classes or may be assigned to do research only. Each trainee may take up to 2 classes per year. Given that information, do the following: Define all of the entities and relationships. (Use Table 4.4 as your guide.) Describe…