Convert the following ER model to Relational Model. VIN Engine type age Name ID color DoB make model Car Driver use participation take ID Date in Race Туре # of round win winning time
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Provide a Rational Model Drawing based on the information provided in the screenshot
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- This article describes three situations when using a surrogate key instead of the connection key is allowed.Using a graphics program, develop an entity-relationship diagram for a database application for an Internet bookstore where students buy textbooks from a salesperson and receive invoices for their purchases. Use Figure 5.5 as a guide.Create a relational database design for the following data model For the image
- map this EER into a relational schemaI need help with the following Consider a STUDENT relation in a UNIVERSITY database with the followingattributes (Name, Ssn, Local_phone, Address, Cell_phone, Age, Gpa). Note thatthe cell phone may be from a different city and state (or province) from thelocal phone. A possible tuple of the relation is shown below:Name Ssn Local_phone Address Cell_phone Age GpaGeorge Shaw 123-45-6789 555-1234 123 Main St., 555-4321 19 3.75William Edwards Anytown, CA 94539a. Identify the critical missing information from the Local_phone andCell_phone attributes. (Hint: How do you call someone who lives in a dif ferent state or province?)b. Would you store this additional information in the Local_phone andCell_phone attributes or add new attributes to the schema for STUDENT?c. Consider the Name attribute. What are the advantages and disadvantagesof splitting this field from one attribute into three attributes (first name,middle name, and last name)?d. What general guideline would you recommend for…Computer Science Create a SQL Code for the following ER diagram/Schema. choose any data type you think is appropriate for each of the attributes (int, numeric, varchar, etc.). Make sure that your SQL code includes all the constrains depicted in the schema! User Follows Follows u id follower id u id username u id birthyear User username birthyear Event Participates Participates u id e id e id topic day e id month day Event month topic (a) (b)
- Create a relational database design for the following data modelThe following are the objectives for the design of the logical schema: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).
- Write the DDL statements for declaring the Library relational database schema listed below. Specify the kay (Primary and Foreign where applicable). BOOK Book id Title Publisher name BOOK AUTHORS Bock id Author name PUBLISHER Name Address Phone BOOK COPIES Book d Branch id No ef_oopies BOOK LOANS Book id Branch id Card no Dute out Due date LIBRARY BRANCH Branch id Branch name Addresa BORROWER Card no Name Addre PhoneDescribe the concept of object-relational mapping (ORM) and how it relates to object serialization.LDCode LibName PubHouse StartDate LIBRARY PLACED BOOK (PubDesc) EmpRoies HowOld sTet Owner SPECIALIZATIONDH Belongs To PerCoverage SpIName SpiCode Transform the ER Diagram given above into Relational Schemas.