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Normalize the following table upto and including the 3NF. Submit a 1 page printout of only the final set of normalized tables in Data Architect. Just use Data Architect to do the tables. No need for E-R, mapping, relationships etc. Just tables. State all assumption, logic, and reasoning, to explain your work.Assumptions:1. Each project has a unique name, but names of employees and managers are not unique.2. Each project has one manager, whose name is stored in Projmgr.3. Many employees may be assigned to work on each project, and an employee may be assigned to more than one project. Hours tells the number of hours per week that a particular employee is assigned to work on a particular project.4. Budget stores the amount budgeted for a project, and Startdate gives the starting date for a project.5. Salary gives the annual salary for an employee.6. Empmgr gives the names of the employee's manager, who is not the same as the project manager.7. Empdept gives the employee's department. Department names are unique. The employee's manager is the manager of the employee's department.8. Rating gives the employee's rating for a particular project. The project manager assigns the rating at the end of the employee's work on that project.
Question: (a) Discuss the difference between a composite key and a composite attribute. How would each be indicated in an E-R diagram? Support your answer with appropriate exam
Explain Deadlock detection and recovery Deadlock Detection - A deadlock is said to take place when there is a circular chain of transaction, every waiting for the release of a
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
Write short notes on data ware housing? Data ware housing applications needs the transformation of data from many sources into a cohesive reliable step set of data configured a
What does data dictionary is a special file contains ? The data dictionary is a special file contain The name of all fields in all files.The width of all fields in all files an
how many hourse have been spent on a certain project
Introduction In large projects, we can have many different companies working together. Generally, the project or contract is awarded to one company (Principal Contractor), which
Self-Join: In a self join a table is joined with itself. Let consider the following sample partial data of EMP table EMPNO ENAME MGRID
Express the subsequent query in SQL assumes which the data is stored within EMPLOYEE table with relevant fields (i) Display name, job, salary, and hire date of employee who are
What is the main goal of RAID technology? Describe the levels 1 through 5. RAID stands for Redundant Array of Inexpensive (or sometimes "Independent")Disks. RAID is a met
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