Oracle 12c Sql Hands-on Assignments Solutions -

SELECT employee_id, first_name, last_name, hire_date FROM employees WHERE EXTRACT(YEAR FROM hire_date) = 2012 ORDER BY hire_date ASC; You can also use the TO_CHAR method:

SELECT department_id, last_name, salary, RANK() OVER (PARTITION BY department_id ORDER BY salary DESC) AS rank, DENSE_RANK() OVER (PARTITION BY department_id ORDER BY salary DESC) AS dense_rank, ROW_NUMBER() OVER (PARTITION BY department_id ORDER BY salary DESC) AS row_num FROM employees WHERE department_id IS NOT NULL ORDER BY department_id, salary DESC; Find the salary difference between each employee and the next highest paid employee in the same department. oracle 12c sql hands-on assignments solutions

SELECT employee_id, first_name, last_name, hire_date FROM employees ORDER BY hire_date OFFSET 20 ROWS FETCH NEXT 10 ROWS ONLY; Problem 7: Calculate the exact number of months and years each employee has worked as of today's date. Output format: "14 years, 3 months". 'YYYY') = '2012'

Oracle 12c SQL: Step-by-Step Solutions to Hands-On Assignments (Employee & Sales Schema) oracle 12c sql hands-on assignments solutions

WHERE TO_CHAR(hire_date, 'YYYY') = '2012'; Find all products in the oe.product_information table whose list price is between $50 and $200, but exclude products where the product name contains the word 'Monitor'.