Oracle vs Salesforce Interview Questions
Oracle lists 314 LeetCode interview questions while Salesforce lists 188. They share 87 problems — 28% of Oracle's bank and 46% of Salesforce's. Focus on the overlap first, then drill into 227 Oracle-only and 101 Salesforce-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 87 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Oracle and Salesforce.
Step 2 — Company-specific depth: Add Oracle-specific problems like Minimum One Bit Operations to Make Integers Zero, Reverse Linked List, Longest Consecutive Sequence and Salesforce-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Salesforce skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
87 Shared Questions
High-priority problems to practice for both Oracle and Salesforce.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Number of Islands | Medium |
| Two Sum | Easy |
| Group Anagrams | Medium |
| Top K Frequent Elements | Medium |
| Sliding Window Maximum | Hard |
| Valid Parentheses | Easy |
| Merge k Sorted Lists | Hard |
| Merge Intervals | Medium |
| Meeting Rooms II | Medium |
| Longest Palindromic Substring | Medium |
| Spiral Matrix | Medium |
| LFU Cache | Hard |
| Search in Rotated Sorted Array | Medium |
| Asteroid Collision | Medium |
| Remove All Adjacent Duplicates in String II | Medium |
| Container With Most Water | Medium |
| 3Sum | Medium |
| Trapping Rain Water | Hard |
| Min Stack | Medium |
| Minimum Absolute Difference | Easy |
| Rotting Oranges | Medium |
| Maximum Subarray | Medium |
| Roman to Integer | Easy |
| Koko Eating Bananas | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Generate Parentheses | Medium |
| Decode String | Medium |
| Course Schedule | Medium |
Showing top 30 of 87 shared problems.
Unique to Oracle (227)
Problems in Oracle's list that do not appear at Salesforce.
Unique to Salesforce (101)
Problems in Salesforce's list that do not appear at Oracle.
Frequently Asked Questions
How many LeetCode questions do Oracle and Salesforce share?
Oracle and Salesforce share 87 LeetCode interview questions. 227 problems appear only in Oracle's list and 101 appear only in Salesforce's list.
What topics overlap most between Oracle and Salesforce?
The most common shared topics between Oracle and Salesforce are Array (18 shared questions), String (8 shared questions), Hash Table (7 shared questions), Sorting (6 shared questions), Stack (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Oracle or Salesforce?
Oracle has 61 Easy, 194 Medium, and 59 Hard questions. Salesforce has 25 Easy, 112 Medium, and 51 Hard questions. Salesforce has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Oracle and Salesforce?
Start with the 87 shared problems since they cover what both companies ask most often. Then add 20 Oracle-specific and 20 Salesforce-specific questions to round out your prep.