You have been asked to begin the database design for a Wedding Planner company. Convert the following ERD into a dependency diagram that is in at least 3NF. Appointment App Num Planner_ID App_Date App_Time App_CustomerID App Name App_Phone App_Street App_City App_State App_Zip App Status Planner Planner_ID Planner_FirstName Planner_LastName Planner_Phone
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- A company has a number of employees. Each employee is identified by an Emplyee_Id. The companywants to store Employee_Name, Employee_Address, and Employee_BirthDate in the database. Thecompany also has several projects. Each project is identified by a Project_Id. The company wants tostore Project_Name and Project_StartDate in the database. Each employee must be assigned to one ormore projects, or may not be assigned to a project. A project must have at least one employee assignedand may have any number of employees assigned. An employee’s billing rate may vary by project, andthe company wishes to record the applicable billing rate (Billing_Rate) for each employee when assignedto a particular project. Draw an entity relationship diagram (ERD) using crows foot notation for the following situation. Show visible analyst.Database Schema The schema for the Ch07_FACT database is shown below and should be used to answer the next several problems. Click this image to view it in its own tab. FIGURE P7.56 THE CH07_FACT ERD CHECKOUT PATRON PK Check Num PK Pat ID FK1 Book_Num FK2 Pat_ID Check_Out_Date Check_Due_Date Check_In_Date >0-----H- Pat_FName Pat LName Pat_Type BOOK AUTHOR PK Book_Num PK Au ID Book_Title Book_Year Book_Cost Book_Subject FK1 Pat_ID Au_FName Au_LName Au_BirthYear WRITES PK,FK1 Book Num PK,FK2 Au ID The CIS Department at Tiny College maintains the Free Access to Current Technology (FACT) library of e-books. FACT is a collection of current technology e-books for use by faculty and students. Agreements with the publishers allow patrons to electronically check out a book,The Driver Relationship team wants to create some workshops and increase communication with the active drivers in InstantRide. Therefore, they requested a new database table to store the driver details of the drivers that have had at least one ride in the system. Create a new table, ACTIVE_DRIVERS, from the DRIVERS and TRAVELS tables which contains the following fields: DRIVER_ID CHAR(5) (Primary key) DRIVER_FIRST_NAME VARCHAR(20) DRIVER_LAST_NAME VARCHAR(20) DRIVER_DRIVING_LICENSE_ID VARCHAR(10) DRIVER_DRIVING_LICENSE_CHECKED BOOL DRIVER_RATING FLOAT The code is supposed to look something like this but I'm getting an error CREATE TABLE ACTIVE_DRIVERS( DRIVER_ID CHAR(5) NOT NULL, DRIVER_FIRST_NAME VARCHAR(20) NULL, DRIVER_LAST_NAME VARCHAR(20) NULL, DRIVER_DRIVING_LICENSE_ID VARCHAR(10) NULL, DRIVER_DRIVING_LICENSE_CHECKED BOOL NULL, DRIVER_RATING FLOAT NULL ) as select D.DRIVER_ID, D.DRIVER_FIRST_NAME, D.DRIVER_LAST_NAME, D.DRIVER_DRIVING_LICENSE_ID,…
- The Driver Relationship team wants to create some workshops and increase communication with the active drivers in InstantRide. Therefore, they requested a new database table to store the driver details of the drivers that have had at least one ride in the system. Create a new table, ACTIVE_DRIVERS, from the DRIVERS and TRAVELS tables which contains the following fields: DRIVER_ID CHAR(5) (Primary key)DRIVER_FIRST_NAME VARCHAR(20)DRIVER_LAST_NAME VARCHAR(20)DRIVER_DRIVING_LICENSE_ID VARCHAR(10)DRIVER_DRIVING_LICENSE_CHECKED BOOLDRIVER_RATING FLOATBelow is a database with 2 tables - Painter, Painting: Painting table: primary key = Painting Num, foreign key = Painter_Num 11 Painting Num Painting_title Painter_Num 1336 Tired peasants 123 1337 Dawn Thunder 111 1338 Plastic Paradise 111 Hasty Exit Vanilla Chocolate 123 1339 134 1340 1341 X-files 123 Painter table: primary key Painter Num, no foreign key Painter Num Painter_lastname Painter_Firstname Painter_Initial Nationality 111 Ross Smithson P British 123 Angela Itero X Italian The above database contains an error in the data. Identify and describe this error.The following relations kind a part of a on-line database (the relations area unit self-explanatory): CUSTOMER/CLIENT/SHOPPERS/BUYERS(Cust#, CAddress, Ctown, Balance,Cname) ORDER(Order.#, Date, Cust#.) ORDERLINE(Order#, Part#., Amount-Ordered) PART(Part#., Desc, Stock, Item-Class, Unit -Price) Design a physical ER for the above scenario. With respect to this relative schema, write SQL statements for the subsequent queries: List the name of the client United Nations agency has placed Order 123 (i.e. Order: = 123). List the names of shoppers United Nations agency in Cardiff and have ordered half 456 (i.e. Part. 456). List the order numbers (Order) for orders that contain a minimum of three elements and also the quantity ordered are minimum of ten. List the outline (Desc), of these elements that the typical quantity ordered is bigger than the number ordered for half .6 (Part. = 456) so as 123.(Order. .123).
- Q2/ write the schema that descibes the following relations: 1- The course relation course.id title deptname Biology Biology Biology Intro. to Computer Science Comp. Sci. Comp. Sci. Comp. Sci. Comp. Sci. Database System Concepts Comp. Sci. Elec. Eng. Finance History Music Physics credits BIO-101 Intro. to Biology 4 BIO-301 BIO-399 CS-101 CS-190 CS-315 CS-319 CS-347 EE-181 FIN-201 HIS-351 MU-199 Genetics 4 Computational Biology 4 4 Game Design Robotics Image Processing Intro. to Digital Systems Investment Banking World History Music Video Production Physical Principles PHY-101 2- The section relation course.id secid building rooIJumber timeslot.id semester ynar BIO-101 BIO-301 CS-101 CS-101 CS-190 CS-190 CS-315 CS-319 CS-319 CS-347 EE-181 1 Summer Summer Fall 2009 Painter 514 514 101 101 3128 2010 Painter 2009 Packard 1 Spring 1 Packard 2009 Taylor 2009 Taylor 2010 | Watson 2010 2010 Spring Spring E Spring 3128 120 100 3128 3128 Spring 2. Watson 2010 Taylor 2009 Taylor 2009 Taylor…A hospital would like to set up a database recording which registered nurse looked after which patient etc. Each registered nurse has a unique nurse ID, and each patient has a unique patient ID, and the following attributes are found for nurses, and patients in the first round of design: NURSE: nurselD, suname, first name, birthdate, dept-code, sex, salary-level PATIENT: patientlD, surname, first name, birthdate, wardlD, sex, admission_date, discharge_date A recent duty list shows the patients that were cared by each nurse in past 2 months, see below for some samples:ScenarioYou are contracted by BitStream to develop a management system for the TV streamingservices the company provides. Your first task is to design a database structure for thisSystem. Specifically, the database would need to be able to record the following things:● Customers information and account details. This includes customer’ssubscription full details and payment details. Customer’s address needs to berecorded as well. (Hint: you need more than 2 tables)● Movies: information about every movie available for streaming must berecorded. A Movie has many actors and may have more than one director. Amovie may have more than one genre, for example, it can have Drama andAdventure Genres. Movie information needed to be displayed in the systemincludes Title, description, Release year, Language, Genre, classification, mainactors, director, and reviews (hint: reviews should be a separate entity). Recordinformation if the movie is based on a real story or a book.● TV Series: information…
- Use the following data model for this question:Fishfish_idnameDailyCatchcatch_iddateFish_Catchfish_catch_idcatch_idfish_idWhich of the following is a situation where an OUTER JOIN could be useful? When a fisherman wants to see only the fish that she has not caught When a fisherman wants to see all fish in the database including those that she has caught and those that she has not caught before When a fisherman wants to see only fish in the database that she has caught When a fisherman wants to see the fish that belong to a certain speciesThe figure below shows an ER schema for a university database. Map this ER schema into a relational schema by using the mapping algorithm discussed in the class. Specify all primary keys and foreign kevs, List the final relational database base schema. Please show your work. COffice Rank Office Name Name IPhone COLLEGE DEAN INSTRUCTOR (O,N) CStartDate (O,N) CHAIR ADMINS Name LName EMPLOYS ld Name (O,N) Addr Phone Major DCode DEPT HAS STUDENT DOffice (O,N) DPhone (O,N) (O,N) Grade HES OFFERS TAKES (5,N) COURSE SECS SECTION Credits (O,N) Sem CDesc Time Year Bldg Fgure aram for a UNIVERSITY database An ER diagram for a UNIVERSITY database schema.Creating a database Diagram. Does the attached image meet these criteria? Week 6: Lab Instructions Now lets consider designing a database for the a car lot. Consider the following statements -> Our car lot sells many cars every month (we have a big inventory) Our car lot has many customers (everyone loves us!) Our car lot has many sales persons (we are ready to help our customers) Each car sale persons sells many cars a week (our prices are great) Our car lot provides many mechanical services (all our mechanics are experts) Our Service department has many mechanics (any mechanic would love to work here) Our mechanics provide service to our customers (our repeat business is awesome) Examine the above information and determine the Entities. With each entity - determine some attributes for each entity. As a note - is there any information in the above statements that is not helpful for our database design? Now lets consider our Car Lot database design and determine the…