Apisero Interview Questions and Answers

HTTP methods define actions for web requests, including GET, POST, PUT, DELETE, etc.

• GET: Retrieves data from a server (e.g., fetching a webpage).

• POST: Sends data to a server to create/update a resource (e.g., submitting a form).

• PUT: Updates a resource or creates it if it doesn't exist (e.g., updating user info).

• DELETE: Removes a resource from the server (e.g., deleting a user account).

• HEAD: Similar to GET but retr...read more

Delete removes rows one by one while truncate removes all rows at once.

• Delete is a DML command while truncate is a DDL command.

• Delete operation can be rolled back while truncate operation cannot be rolled back.

• Delete operation fires triggers for each row deleted while truncate does not.

• Delete operation is slower than truncate operation for large tables.

• Example: DELETE FROM table_name WHERE condition; TRUNCATE TABL...read more

FastAPI is a modern, fast web framework for building APIs with Python, while Flask is a lightweight web framework.

• FastAPI is faster than Flask due to its use of Pydantic for data validation and serialization.

• FastAPI has automatic interactive API documentation with Swagger UI and ReDoc, while Flask requires additional setup for documentation.

• FastAPI supports type hints and async/await syntax out of the box, making ...read more

I prefer a collaborative working model where team members communicate openly and work together towards common goals.

• Open communication among team members

• Collaborative decision-making

• Regular team meetings to discuss progress and challenges

• Flexibility to adapt to changing project requirements

Integration patterns are design patterns used to integrate different systems and applications.

• Point-to-Point: Direct communication between two systems.

• Publish-Subscribe: One-to-many communication where a message is broadcast to multiple recipients.

• Message Broker: Middleware that facilitates communication between different systems.

• Shared Database: Systems share a common database to exchange information.

• File Transfe...read more

Design and implement a dictionary application for easy word lookup

• Define data structure to store words and their meanings

• Implement search functionality to look up words quickly

• Include features like word suggestions, synonyms, and antonyms

• Allow users to add new words and meanings to the dictionary

• Consider implementing a user-friendly interface for easy navigation

Joins are used to combine data from two or more tables based on a related column.

• Types of joins include inner join, left join, right join, and full outer join.

• Inner join returns only the matching rows from both tables.

• Left join returns all rows from the left table and matching rows from the right table.

• Right join returns all rows from the right table and matching rows from the left table.

• Full outer join returns al...read more

Dictionaries and hash maps are key-value data structures that provide fast data retrieval and storage using hashing techniques.

• Dictionaries store data in key-value pairs, e.g., {'name': 'Alice', 'age': 30}.

• Hash maps use a hash function to compute an index for storing values, ensuring O(1) average time complexity for lookups.

• Collisions occur when multiple keys hash to the same index; they can be resolved using chai...read more