Oracle Coding Questions - DSA Problems & Solutions

Company Overview

This page contains Oracle coding questions from Oracle OA placement papers with detailed solutions.

Coding Focus

Oracle OA coding section includes 2-3 problems focusing on DSA and database concepts. Master arrays, trees, graphs, and SQL to succeed.

Oracle Coding Questions Overview

Oracle OA Coding Section:

• Problems: 2-3 coding problems
• Time: 90-120 minutes
• Languages: C++, Java, Python

Coding Problems

Question 1: SQL Query - Second Highest Salary

Q1: Write a SQL query to get the second highest salary from the Employee table.

Solution (SQL):

SELECT MAX(salary) AS SecondHighestSalary
FROM Employee
WHERE salary < (SELECT MAX(salary) FROM Employee);

Alternative Solution:

SELECT DISTINCT salary AS SecondHighestSalary
FROM Employee
ORDER BY salary DESC
LIMIT 1 OFFSET 1;

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