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- Consider the following relational schema and answer the following questions.
Employee (Employee_Id, First_Name, Last_Name, Email, Phone_Number, Hire_Date, Job_Id, Salary, Commission_Pct, Manager_Id, Department_Id)
a. Write a query to list the number of jobs available in the employees table
b. Write a query to get the total salaries payable to employees.
c. Write a query to get the minimum salary from employees table.
d. Write a query to get the maximum salary of an employee working as a Programmer.
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I need the relational algebra queries instead for example:
Π EmpID (σ CorpID = ‘Amawig Corporation ID’(works))
would be the employee ids for the employees who work for Amawig Corporation
I need the relational algebra queries instead for example:
Π EmpID (σ CorpID = ‘Amawig Corporation ID’(works))
would be the employee ids for the employees who work for Amawig Corporation
- I need help with this SQL query: Write a MySQL statement to create a table named jobs including columns job_id, job_title, min_salary and max_salary, and check whether the min_salary amount is lower than the lower limit $15,000 and whether the max_salary amount exceeds the upper limit $50,000.arrow_forwardConsider the following relational schema and answer the following questions. Employee (Employee_Id, First_Name, Last_Name, Email, Phone_Number, Hire_Date, Job_Id, Salary, Commission_Pct, Manager_Id, Department_Id) a. Write a query to find the manager ID and the salary of the lowest-paid employee for that manager. b. Write a query to get the department ID and the total salary payable in each department. c. Write a query to get the average salary for each job ID excluding programmer. d. Write a query to get the total salary, maximum, minimum, average salary of employees (job ID wise), for department ID 90 only.arrow_forwardUse your ERD to define the table structures in the database using SQL DDL commands to build your schema.arrow_forward
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