Oracle vs Snowflake Interview Questions
Oracle lists 314 LeetCode interview questions while Snowflake lists 100. They share 51 problems — 16% of Oracle's bank and 51% of Snowflake's. Focus on the overlap first, then drill into 263 Oracle-only and 49 Snowflake-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 51 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Oracle and Snowflake.
Step 2 — Company-specific depth: Add Oracle-specific problems like Longest Substring Without Repeating Characters, Group Anagrams, Sliding Window Maximum and Snowflake-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Snowflake skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
51 Shared Questions
High-priority problems to practice for both Oracle and Snowflake.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Two Sum | Easy |
| Top K Frequent Elements | Medium |
| Merge k Sorted Lists | Hard |
| Meeting Rooms II | Medium |
| Container With Most Water | Medium |
| Trapping Rain Water | Hard |
| Min Stack | Medium |
| Rotting Oranges | Medium |
| Roman to Integer | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Course Schedule | Medium |
| Find Median from Data Stream | Hard |
| Maximum Number of Events That Can Be Attended | Medium |
| Simplify Path | Medium |
| Implement Trie (Prefix Tree) | Medium |
| Time Based Key-Value Store | Medium |
| Copy List with Random Pointer | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Task Scheduler | Medium |
| Minimum Window Substring | Hard |
| Design In-Memory File System | Hard |
| Max Area of Island | Medium |
| Add Two Numbers | Medium |
| Word Search | Medium |
| Count Vowel Substrings of a String | Easy |
| Course Schedule II | Medium |
| Design HashMap | Easy |
| Maximum Profit in Job Scheduling | Hard |
Showing top 30 of 51 shared problems.
Unique to Oracle (263)
Problems in Oracle's list that do not appear at Snowflake.
| Problem | Difficulty |
|---|---|
| Longest Substring Without Repeating Characters | Medium |
| Group Anagrams | Medium |
| Sliding Window Maximum | Hard |
| Valid Parentheses | Easy |
| Merge Intervals | 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 |
| Asteroid Collision | Medium |
| Remove All Adjacent Duplicates in String II | Medium |
Unique to Snowflake (49)
Problems in Snowflake's list that do not appear at Oracle.
Frequently Asked Questions
How many LeetCode questions do Oracle and Snowflake share?
Oracle and Snowflake share 51 LeetCode interview questions. 263 problems appear only in Oracle's list and 49 appear only in Snowflake's list.
What topics overlap most between Oracle and Snowflake?
The most common shared topics between Oracle and Snowflake are Array (15 shared questions), Hash Table (13 shared questions), Design (8 shared questions), String (8 shared questions), Sorting (7 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Oracle or Snowflake?
Oracle has 61 Easy, 194 Medium, and 59 Hard questions. Snowflake has 13 Easy, 67 Medium, and 20 Hard questions. Snowflake has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Oracle and Snowflake?
Start with the 51 shared problems since they cover what both companies ask most often. Then add 20 Oracle-specific and 20 Snowflake-specific questions to round out your prep.