Assignment Task:
Problem 1: Create three tables with relevant keys as suggested in the above diagram
Problem 2: Insert record of 10 employees in the employee table
Problem 3: Insert record of 5 departments in the department table
Problem 4: Insert record of 5 salary levels in the salary table
Problem 5: Write a query to display the information about the employees in the employee table
Problem 6: Write a query to display the name of all the employees
Problem 7: Write a query to display the name of all the employees and their jobname.
Problem8: Write a query in SQL to display the unique jobname for all the employees
Problem 9: Write a query to increase the salary for all the employees by 12%. Display the empname, jobname and salary after the increment
Problem 10: Write a query to display the employee names with minimum and maximum salary.
Problem 11: Write a query to display the employee id, employee name, jobname of all the employees whose salary is greater than 90,000 P.A.
Problem 12: Write a query to display the all the details of all the employees whose jobname is Manager. (Hint: While entering the records for employee, make sure to add manager as jobname for a few employees.)
Problem 13: Write a query to display the all the details of the employee whose name is Robert. (Hint: While entering the records for employee, make sure to add Robert as empname for at least one employee.)
Problem 14: Write a query to display all the details of the employee who work as a manager and have salary greater than 95000 P.A.
Problem 15: Write a query to display employeeid, employee name, jobname and date of joining of all the employees who joined after year 2001.
Problem 16: Write a query to display the list of all the employees whose annual salary is within the range 55000 and 95000.( Hint: make sure to add the salary in this range while entering records in the employee table)
Problem 17: Write a query to display the list of all the employees in the descending order of their salaries.
Problem 18: Write a query to count the number of employees in the employee table.
Problem 19: Insert a new record in the employee table and add ANALYST as their jobname. The other fields can be added as per your choice
Problem 20: Insert a new record in the employee table with the following data fields
employee_id= 1011
empname= Janet
jobname= PROGRAMMER
managerid= 5095
dateofhire= 12-10-2014
salary= 90000
department_id=2011
Problem 21: Write a query to delete the record of the employee whose name is 'Flynn'. (Hint: Make sure to add a record with employee name 'Flynn' in the beginning.
Problem 22: Write a query to update the salary by 15% of the employee whose employee name is ROBERT.
Problem 23: Write a query to find the number of staff working in each department and the sum of their salaries.
Problem 24: Write a query to find all employees with the string 'Avenue' in their address.
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