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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.
Compare the Nested-loop join and block-nested loop join Ans: Nested loop join - It is costly as worst case cost, no. of block accesses needed is n r * b s + b r where b
Explain the Cascadeless Schedule A cascadeless schedule is one in which for every pair of transactions Ti and Tj like that Tj reads a data item before written by Ti, the commit
Define NULL value NULL value NULL means something is unknown. It does NOT mean null (the digit 0). Null is as well employed as attribute value for a particular entity in which
Explain the Difference between DROP and DELETE DELETE deletes one or more than one tuples of a particular relation from the database. DROP is employed to remove a table from th
What is Structured Query Langauge (SQL)? SQL is a powerful set-oriented language which was formed by IBM research for the databases that adhere to the relational model. It havi
Make SQL statements for the following scenarios. Your response should contain SQL statement, output and any other assumptions you have made to arrive at the answer. For Colorado cu
random file orgnization
Explain Hashing techniques The hashing techniques can be categorized as: Static Hashing Techniques - In this method, the data can be viewed a collection of buckets, along with
a publishing company produce scientific books on various subjects. the books are written by authors who specialize in one particular subject. the company employs editors who, not n
What are domain constraints? A domain is a set of values that might be assigned to an attribute .all values that appear in a column of a relation must be taken fro
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