Part 1 on Table Function
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1 CIS611 Lab Assignment 1 SS Chung 1. Write Table Functions 2. Automatic Creation and Maintenance of Database from Web Interface 3. Transforming a SQL Query into an Execution Plan in Relational Algebra for Query Processing Part 1 on Table Function 1. Write a Table Function Total_Salary_By_Dept that returns a table Total_Salary_By_Dept _Table with Five column info as follow: It returns Total_Salary_By_Dept _Table that has the following Five column values. Dept_No (Int) Dept_Name (Char(30)) COUNT_Emp (INT) SUM_Salary (INT) AVE_Salary (INT) From underlying Company database. For Company database and the content of each column, see Part 2 of Lab0 on the class webpage. 2. Write a Stored Procedure Report_ NEW_Total_Salary_By_Dept using (by calling) the Table Function Total_Salary_By_Dept, the one that was created. Use CURSOR to write the Stored Procedure. Your Stored Procedure Report_ NEW_Total_Salary_By_Dept does the following tasks: It returns a new table NEW_Total_Salary_By_Dept as follow: NEW_Total_Salary_By_Dept has 7 columns Dept_No (Int) Dept_Name (Char(30)) COUNT_Emp (INT) SUM_Salary (INT) AVE_Salary (INT) New_SUM_Salary (INT) New_AVE_Salary (INT) 1) Check if the table Total_Salary_By_Dept _Table is empty or not. 2) If not empty, For each row of the table Total_Salary_By_Dept _Table, Calculate New_SUM_Salary, New_AVE_Salary as follow: If Dept = 1, Increase SUM(salary) 10%
2 If Dept = 4, Increase SUM(salary) 20% If Dept = 5, Increase SUM(salary) 30% If Dept = 7, Increase SUM(salary) 40% 3) Insert each column value into the new table NEW_Total_Salary_By_Dept Output (snapshot of screen) each Function and Procedure created and Show all the tables contents with Select statement in your output. Extra Credit Part 2: Write a Stored Procedure or Table Function for text processing of log file to create an Index Table in any language of your choice that 1. Reads a text file (CSV file) UnionAddressTable that was generated by a Web Server. The input file UnionAddressTable is given on the class webpage. 2. For each record, read the text of the Union Address (in Column5 of the input file), parse each line of the text to extract each unique term (word) and it s year of the Union Address (Column 2 in the input file) then write them to the Index Table TermLookUpTable with its Frequency. Whenever a word is read, search to see if it already exists in the Index table. If exists, just increase the Frequency. If not, append it to the index table at the end and with the Frequency of Automatic Table Creation: Creates an Index Table named TermLookUpTable in a SQL Server from your output with the Schema: TermLookUpTable (Term, Frequency, Year of Document) For Extra Credit Part2, You can use (modify) any "word Count" Program (Various versions of Word Count program for text processing are available on line). You can use any program/script language to write Store Procedure. You don't need to use Table Function if you create the final Index Table TermLookUpTable in SQL Server from your program. Part 3: For this part, you can use any language of your choice with your choice of a Platform: C#/Java with SQL Server or PHP with MYSQL on WAMP. See the example codes on the class webpage for these. 1. Create a company webpage where a new employee can add his/her information into the Employee table by taking a new employee information with 9 Input Boxes for each column Fname, MInit, Lname,, Dno as in Employee table schema With ADD button.
3 2. Write an Web Application Server that takes the new employee s input from the webpage and call a Stored Procedure SP_Insert_NewEmployee with the 9 input parameters. 3. Create the Stored Procedure SP_Insert_NewEmployee in your Database Server that performs: 3-1. Takes 9 inputs to Insert a new employee tuple into the Employee table 3-2. Find all the projects that are controlled by the department that the new employee works for Add all the project numbers with the new employee into Works_On table. Output (snapshot of screen) of Webpage and Stored Procedure created and Show all the tables contents with Select statement in your output. Part 4: 4. Make Sure to Update the following new changes into the database if you haven t : 1) Joyce English with Ssn = got married with John Anderson. 2) Jenifer Wallace with Ssn = just had a new daughter named Erica. 3) Jenifer Wallace with Ssn = is just assigned to a new project number 10 and 10 hours to work on. Add these new entries into Dependent, Works_On tables in your database then Select * from Dependent and Select * from Works_On to show the updated table contents. 5. Write SQL Select statements to retrieve data in the followings: Q1: Make a list of all project numbers that Research department employees are working on, either as a worker or as a manager of the department that controls the projects. Write Q1 in Relational Algebra: Q2: Get SSN and the last name of married female employees who work on three or more projects Write Q2 in Relational Algebra: Q3. Write SQL using a View instead of a Subquery for the list of the employees who work on three or more projects in Q2.
4 Q4: Get the Last and the First name of married employees who only have daughters. (Hint: Identify the following three sets in SQL first then write a main SQL using them. Married = Select ESSN From Dependent Where relationship = spouse ; Girls = Select ESSN From Dependent Where relationship = daughter ; Boys = Select ESSN From Dependent Where relationship = son ; Write Q4 in Relational Algebra: Write Q4 in Relational Tuple Calculus:
5 COMPANY DATABASE EMPLOYEE FNAME MINIT LNAME SSN BDATE ADDRESS SEX SALARY SUPERSSN DNO John B Smith Jan Fondren, Houston, TX M Franklin T Wong Dec Voss, Houston, TX M Joyce A English Jul Rice, Houston, TX F Ramesh K Narayan Sep Fire Oak, Humble, TX M James E Borg Nov Stone, Houston, TX M Jennifer S Wallace Jun Berry, Bellaire, TX F Ahmad V Jabbar Mar Dallas, Houston, TX M Alicia J Zelaya Jul Castle, SPring, TX F DEPARTMENT DNAME DNUMBER MGRSSN MGRSTARTDATE Headquarters Jun-71 Administration Jan-85 Research May-78 Automation Oct-05 DEPENDENT ESSN DEPENDENT_NAME SEX BDATE RELATIONSHIP Alice F 31-Dec-78 Daughter Elizabeth F 05-May-57 Spouse Michael M 01-Jan-78 Son Alice F 05-Apr-76 Daughter Joy F 03-May-48 Spouse Theodore M 25-Oct-73 Son Abner M 29-Feb-32 Spouse DEPT_LOCATIONS DNUMBER DLOCATION 1 Houston 4 Stafford 5 Bellaire 5 Sugarland 5 Houston PROJECT PNAME PNUMBER PLOCATION DNUM ProductX 1 Bellaire 5 ProductY 2 Sugarland 5 ProductZ 3 Houston 5 Computerization 10 Stafford 4 Reorganization 20 Houston 1 Newbenefits 30 Stafford 4 WORKS_ON ESSN PNO Hours
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