Oracle Application Engineer Interview Questions
Prepare for this exact position with 12 real candidate reports. Review the levels, locations, interview formats, and questions that appeared most often for Oracle Application Engineer candidates.
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6
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Oracle Application Engineer candidate reports
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12 matching interviews
Application Engineer · SDE1
- 01
Find the employee with the highest salary in each department using SQL.
SQL & Databases · Easy
- 02
Solve the N-horses problem, described as analogous to the N-queens problem.
Coding & Algorithms · Medium
- 03
Given a number n, repeatedly apply the rule (if odd: 3n+1, if even: n/2) until reaching 4; find the number with the maximum step count (rank) in the range 1 to N.
Coding & Algorithms · Medium
Application Engineer
- 01
Solve a 2D dynamic programming problem.
Coding & Algorithms · Medium
- 02
Solve a sliding window problem using two pointers.
Coding & Algorithms · Medium
- 03
Solve a stack-based problem.
Coding & Algorithms · Hard
Application Engineer · IC2
- 01
Solve a medium-level Data Structures and Algorithms problem
Coding & Algorithms · Medium
- 02
Answer coding questions on tree algorithms
Coding & Algorithms · Medium
- 03
Answer aptitude questions
Other
Application Engineer · Fresher
- 01
Generate all permutations of a given string that are lexicographically greater than the original string.
Coding & Algorithms · Medium
- 02
Solve a 0/1 knapsack dynamic programming problem.
Coding & Algorithms · Medium
- 03
Describe your use of object-oriented programming concepts during your internship.
Behavioral & Leadership · Easy
Application Engineer · Fresher
- 01
Search for a target number in a space-separated sorted string.
Coding & Algorithms · Easy
- 02
Implement the Count and Say sequence.
Coding & Algorithms · Medium
- 03
Answer questions about object-oriented programming concepts presented in a complex or non-obvious manner.
Object-Oriented Design
Application Engineer · AD3
- 01
Solve the asteroid collision problem.
Coding & Algorithms · Medium
- 02
Find the maximum average of a contiguous subarray of size k.
Coding & Algorithms · Easy
- 03
Explain your approach and reasoning for the asteroid collision and maximum average subarray problems.
Coding & Algorithms · Medium
Application Engineer
- 01
Find two numbers in an array that sum to a target value
Coding & Algorithms · Easy
- 02
Identify the node where two linked lists intersect
Coding & Algorithms · Medium
- 03
Generate all permutations of a given string
Coding & Algorithms · Medium
Application Engineer
- 01
Solve the Two Sum problem with a sorted array.
Coding & Algorithms · Easy
- 02
Remove the Nth node from the end of a linked list.
Coding & Algorithms · Medium
- 03
Design a stack that supports push, pop, top, and retrieving the minimum element.
Coding & Algorithms · Easy
Most-asked Oracle Application Engineer questions
Ranked by how often each question appeared in reports for this exact position. Answers are written by our team.
Explain and demonstrate database normalization with examples
Normalization eliminates data redundancy through systematic decomposition. 1NF ensures atomic values—no repeating groups. 2NF removes partial dependencies: non-key columns depend on the entire primary key. 3NF removes transitive dependencies between non-key columns. Example: an unnormalized table storing student, course, and instructor together causes update anomalies. Normalizing creates Student, Course, and Enrollment tables, where foreign keys reference normalized entities, ensuring data consistency and reducing storage waste.
What are your key strengths and weaknesses?
My key strength is breaking down complex problems systematically—I ask clarifying questions, propose solutions, and own outcomes end-to-end. A genuine weakness I'm actively addressing is perfectionism; early in my career, I'd over-engineer solutions at the expense of velocity. I've learned to balance craftsmanship with pragmatism, shipping incrementally and iterating on real feedback. Oracle values shipping products efficiently, and I'm deliberately building that discipline—recognizing that "done and shipping" often beats "perfect but delayed."
Describe your background, family, and hobbies
I'm a software engineer with [X years] experience building scalable systems at [companies]. I studied [major] because I was fascinated by how software solves real problems. Outside work, I'm passionate about [hobby showing creativity or learning], which taught me [relevant skill like persistence/collaboration]. I'm drawn to Oracle because [specific reason tied to role/company mission], and I'm excited to tackle problems that impact millions of users.
Find two numbers in an array that sum to a target value
Use a hash map to store indices of seen elements. Iterate through the array: for each element, check if target - element exists in the map. If found, return the pair of indices. Otherwise, add the current element to the map. This single-pass approach achieves O(n) time, beating brute-force O(n²). The key insight: trading space for time by enabling constant-time lookups of required complement values.
More reported questions
- 01
Design a library management application including user interface mockups and normalized database schema with functional dependencies
asked in 2 reports - 02
Given a number, return the corresponding Excel column name
asked in 2 reports - 03
Implement the next_permutation function in C++
asked in 2 reports - 04
Solve the manhole cover puzzle
asked in 2 reports - 05
What is your location preference and what is your reasoning?
asked in 2 reports