Task7&8

Question

EMPLOYEES with coulmns
employee_id number, first_name varchar2(50), last_name varchar2(50), salary number, deptno number, manager number, date_of_join date, date_of_birth date.
DEPARTMENT with columns
deptno number, dept_name varchar2(100),location varchar2(100)
--Proper exceptions should be handled in all procedures and functions
Q7. Create a package "Salary_revision" as per steps given below.
1.     Write a function "Update_salary" in the package that accepts two parameters
"Employee_id" and "Sal_raise"-Number, return type should be Number.
• Function "Update_salary" should be an AUTONOMOUS TRANSACTION function.
• The function should accept the employee id and the amount of salary to be raised.
• There should be an update statement which will update the employee table for each
employee id with the current salary + salary to be raised.
After updating the employee table with the new salary , function should return the new salary back.
Q8. Write a PL/SQL block which will fetch all employee id and their salary into a pl/sql table from the employees table .
1.     The Pl/sql table should have two columns to hold the employee id and salary
2.     Loop through the pl/sql table (before starting the loop, a check condition should be provided to see if the pl/sql table is empty.
3.     For each record in the pl/sql table loop, call the function "Update_salary" from the package "Salary_revision" created in "Question 7" .
4.     Pass the values for parameter “employee_id” and “Sal_raise”.
Value for employee id should be the value fetched from pl/sql table
For parameter "sal_raise" , pass value based on the formula given below
Pass 10% of current salary if the current salary is greater than 20lakhs.
Pass 15% of salary if the current salary is greater than 15 lakhs and less than 20 lakhs.
Pass 18% of salary if current salary is greater than 10 lakhs and less than 15 lakhs.
Pass 20% of salary if current salary is less than 10 Lakhs.
5.     The new salary returned should be displayed along with Employee last name and first name (use DMS_out.put_line)

Answer 1

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