Okta vs Oracle Interview Questions
Okta lists 20 LeetCode interview questions while Oracle lists 314. They share 16 problems — 80% of Okta's bank and 5% of Oracle's. Focus on the overlap first, then drill into 4 Okta-only and 298 Oracle-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 16 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Okta and Oracle.
Step 2 — Company-specific depth: Add Okta-specific problems like Making File Names Unique, Range Sum Query 2D - Immutable, Word Ladder II and Oracle-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Okta skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
16 Shared Questions
High-priority problems to practice for both Okta and Oracle.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Simple Bank System | Medium |
| All Nodes Distance K in Binary Tree | Medium |
| Group Anagrams | Medium |
| Find Median from Data Stream | Hard |
| Longest Consecutive Sequence | Medium |
| Merge Intervals | Medium |
| Container With Most Water | Medium |
| Daily Temperatures | Medium |
| Median of Two Sorted Arrays | Hard |
| Task Scheduler | Medium |
| Number of Islands | Medium |
| Reverse Substrings Between Each Pair of Parentheses | Medium |
| Word Ladder | Hard |
| Product of Array Except Self | Medium |
Unique to Okta (4)
Problems in Okta's list that do not appear at Oracle.
| Problem | Difficulty |
|---|---|
| Making File Names Unique | Medium |
| Range Sum Query 2D - Immutable | Medium |
| Word Ladder II | Hard |
| Insert Delete GetRandom O(1) - Duplicates allowed | Hard |
Unique to Oracle (298)
Problems in Oracle's list that do not appear at Okta.
| Problem | Difficulty |
|---|---|
| Longest Substring Without Repeating Characters | Medium |
| Two Sum | Easy |
| Top K Frequent Elements | Medium |
| Sliding Window Maximum | Hard |
| Valid Parentheses | Easy |
| Merge k Sorted Lists | Hard |
| Meeting Rooms II | Medium |
| Longest Palindromic Substring | Medium |
| Spiral Matrix | Medium |
| Minimum One Bit Operations to Make Integers Zero | Hard |
| LFU Cache | Hard |
| Search in Rotated Sorted Array | Medium |
Frequently Asked Questions
How many LeetCode questions do Okta and Oracle share?
Okta and Oracle share 16 LeetCode interview questions. 4 problems appear only in Okta's list and 298 appear only in Oracle's list.
What topics overlap most between Okta and Oracle?
The most common shared topics between Okta and Oracle are Array (11 shared questions), Hash Table (8 shared questions), Design (4 shared questions), Sorting (4 shared questions), Breadth-First Search (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Okta or Oracle?
Okta has 0 Easy, 15 Medium, and 5 Hard questions. Oracle has 61 Easy, 194 Medium, and 59 Hard questions. Okta has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Okta and Oracle?
Start with the 16 shared problems since they cover what both companies ask most often. Then add 4 Okta-specific and 20 Oracle-specific questions to round out your prep.