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, salary, commission, grade) Transaction (transno PK, transactionDate, empno FK, username, position) Login (ID PK, password) Grade (grade PK, salary_range) Position (position PK, pname) Allowance (allowance PK, aname, description) Vehicle (vehicleno PK, next_maintenance, model, make, empno FK) Project (projectNo PK, projectName) Department (deptNo PK, deptName, description, totalEmpNo) Step 2/3 b) Adding Foreign keys : Employee (empNo, ename, hiredate, DOB, phoneNo, gender, salary, commission, position, grade) position references Position(position) grade references Grade(grade) Transaction (transactionDate, empNo, username, position) empNo references Employee(empNo) Login (ID, password) Grade (grade, salaryRange) Position (position, allowance) allowance references Allowance(allowance) Allowance (allowance, allowanceDescription) Vehicle (empNo, make, model, nextMaintenance) empNo references Employee(empNo) Project (projectNo, projectName) Department (deptNo, deptName, deptDescription, totalEmpNo) deptNo references Department(deptNo) Employee_Project (empNo, projectNo) empNo references Employee(empNo) projectNo references Project(projectNo) Explanation: Adding Foreign Keys: In the above relational schema, we have identified the primary keys for each table. Now, we need to add foreign keys to the tables to establish relationships between them. Here are the foreign keys for each table: Employee (grade FK references Grade(grade)) Transaction (empno FK references Employee(empno), position FK references Position(position)) Vehicle (empno FK references Employee(empno)) Department (projectNo FK references Project(projectNo)) like a picture I attached please do it like the picture “picture for example “

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, salary, commission, grade) Transaction (transno PK, transactionDate, empno FK, username, position) Login (ID PK, password) Grade (grade PK, salary_range) Position (position PK, pname) Allowance (allowance PK, aname, description) Vehicle (vehicleno PK, next_maintenance, model, make, empno FK) Project (projectNo PK, projectName) Department (deptNo PK, deptName, description, totalEmpNo) Step 2/3 b) Adding Foreign keys : Employee (empNo, ename, hiredate, DOB, phoneNo, gender, salary, commission, position, grade) position references Position(position) grade references Grade(grade) Transaction (transactionDate, empNo, username, position) empNo references Employee(empNo) Login (ID, password) Grade (grade, salaryRange) Position (position, allowance) allowance references Allowance(allowance) Allowance (allowance, allowanceDescription) Vehicle (empNo, make, model, nextMaintenance) empNo references Employee(empNo) Project (projectNo, projectName) Department (deptNo, deptName, deptDescription, totalEmpNo) deptNo references Department(deptNo) Employee_Project (empNo, projectNo) empNo references Employee(empNo) projectNo references Project(projectNo) Explanation: Adding Foreign Keys: In the above relational schema, we have identified the primary keys for each table. Now, we need to add foreign keys to the tables to establish relationships between them. Here are the foreign keys for each table: Employee (grade FK references Grade(grade)) Transaction (empno FK references Employee(empno), position FK references Position(position)) Vehicle (empno FK references Employee(empno)) Department (projectNo FK references Project(projectNo)) like a picture I attached please do it like the picture “picture for example “

New Perspectives on HTML5, CSS3, and JavaScript

6th Edition

ISBN:9781305503922

Author:Patrick M. Carey

Publisher:Patrick M. Carey

Chapter3: Designing A Page Layout: Creating A Website For A Chocolatier

Section3.2: Visual Overview: Page Layout Grids

Problem 6QC

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