Deutsche Bank vs Oracle Interview Questions
Deutsche Bank lists 21 LeetCode interview questions while Oracle lists 314. They share 5 problems — 24% of Deutsche Bank's bank and 2% of Oracle's. Focus on the overlap first, then drill into 16 Deutsche Bank-only and 309 Oracle-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 5 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Deutsche Bank and Oracle.
Step 2 — Company-specific depth: Add Deutsche Bank-specific problems like Find the Maximum Sum of Node Values, Apply Operations to Maximize Frequency Score, Smallest K-Length Subsequence With Occurrences of a Letter and Oracle-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Deutsche Bank skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
5 Shared Questions
High-priority problems to practice for both Deutsche Bank and Oracle.
| Problem | Difficulty |
|---|---|
| Longest Common Prefix | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Two Sum | Easy |
| Coin Change | Medium |
| Reverse Words in a String | Medium |
Unique to Deutsche Bank (16)
Problems in Deutsche Bank's list that do not appear at Oracle.
Unique to Oracle (309)
Problems in Oracle's list that do not appear at Deutsche Bank.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Number of Islands | Medium |
| 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 |
Frequently Asked Questions
How many LeetCode questions do Deutsche Bank and Oracle share?
Deutsche Bank and Oracle share 5 LeetCode interview questions. 16 problems appear only in Deutsche Bank's list and 309 appear only in Oracle's list.
What topics overlap most between Deutsche Bank and Oracle?
The most common shared topics between Deutsche Bank and Oracle are Array (4 shared questions), String (2 shared questions), Dynamic Programming (2 shared questions), Trie (1 shared questions), Hash Table (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Deutsche Bank or Oracle?
Deutsche Bank has 7 Easy, 7 Medium, and 7 Hard questions. Oracle has 61 Easy, 194 Medium, and 59 Hard questions. Deutsche Bank has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Deutsche Bank and Oracle?
Start with the 5 shared problems since they cover what both companies ask most often. Then add 16 Deutsche Bank-specific and 20 Oracle-specific questions to round out your prep.