Oracle 12c Sql Hands-on Assignments Solutions <iOS TRENDING>

Oracle 12c, SQL, Assignments, PL/SQL, Window Functions

SELECT email, SUBSTR(email, 1, 2) || '****@oracle.com' AS masked_email FROM employees; Problem 9: Rank employees within each department by salary. Show rank, dense rank, and row number. oracle 12c sql hands-on assignments solutions

12 minutes Introduction Oracle 12c introduced several game-changing features, such as Top-N Row limiting (the FETCH FIRST clause) and improved Visibility into Partitioned Tables . However, the core of database mastery still lies in solving real-world problems. However, the core of database mastery still lies

SELECT e.first_name, e.last_name, e.salary, e.department_id FROM employees e WHERE e.salary > (SELECT AVG(salary) FROM employees e2 WHERE e2.department_id = e.department_id) ORDER BY e.department_id, e.salary DESC; Problem 5: Fetch the top 5 highest paid employees, but show ties (i.e., if the 5th highest salary is shared by 3 people, show all of them). Output format: "14 years, 3 months"

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".

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'.