fastAPI-SQL.json

{
  "mcqs": {
    "SQLAlchemy and FastAPI Integration": {
      "Core Concepts and CRUD Operations": [
        {
          "title": "SQLAlchemy and FastAPI Integration - Quiz",
          "description": "Test your knowledge of SQLAlchemy, FastAPI, and their integration for database operations.",
          "questions": [
            {
              "question": "What is SQLAlchemy primarily used for?",
              "options": [
                "Creating user interfaces.",
                "Handling HTTP requests in Python.",
                "Providing an ORM for interacting with databases.",
                "Managing server infrastructure."
              ],
              "answer": "Providing an ORM for interacting with databases.",
              "difficulty": "Beginner"
            },
            {
              "question": "What does ORM stand for in the context of SQLAlchemy?",
              "options": [
                "Object Relational Mapping",
                "Object Rendering Model",
                "Operational Resource Management",
                "Object Request Manager"
              ],
              "answer": "Object Relational Mapping",
              "difficulty": "Beginner"
            },
            {
              "question": "Which of the following is NOT a benefit of using an ORM like SQLAlchemy?",
              "options": [
                "Increased code readability.",
                "Database abstraction.",
                "Automatic SQL injection prevention.",
                "Direct SQL query execution."
              ],
              "answer": "Direct SQL query execution.",
              "difficulty": "Intermediate"
            },
            {
              "question": "How does SQLAlchemy connect to a database?",
              "options": [
                "Through a connection string.",
                "By directly embedding the database file.",
                "Via a web browser interface.",
                "Using a proprietary API."
              ],
              "answer": "Through a connection string.",
              "difficulty": "Beginner"
            },
            {
              "question": "In SQLAlchemy, what is a `Model`?",
              "options": [
                "A representation of a database table as a Python class.",
                "A function for handling HTTP requests.",
                "A configuration file for the database.",
                "A tool for visualizing database schemas."
              ],
              "answer": "A representation of a database table as a Python class.",
              "difficulty": "Beginner"
            },
            {
              "question": "What is the purpose of `Base` in SQLAlchemy?",
              "options": [
                "It's the base class for all database models.",
                "It's a function for creating database connections.",
                "It's a decorator for defining API endpoints.",
                "It's a tool for managing database migrations."
              ],
              "answer": "It's the base class for all database models.",
              "difficulty": "Intermediate"
            },
            {
              "question": "Which of the following is a valid CRUD operation?",
              "options": [
                "Compile",
                "Refactor",
                "Update",
                "Deploy"
              ],
              "answer": "Update",
              "difficulty": "Beginner"
            },
            {
              "question": "In FastAPI, how do you typically access the database session?",
              "options": [
                "Through global variables.",
                "By directly importing the database connection.",
                "Using dependency injection.",
                "By creating a new session for each request."
              ],
              "answer": "Using dependency injection.",
              "difficulty": "Intermediate"
            },
            {
              "question": "Which HTTP method is typically used for creating a new resource in a RESTful API?",
              "options": [
                "GET",
                "PUT",
                "POST",
                "DELETE"
              ],
              "answer": "POST",
              "difficulty": "Beginner"
            },
            {
              "question": "Which HTTP method is typically used for retrieving a resource in a RESTful API?",
              "options": [
                "POST",
                "PUT",
                "GET",
                "DELETE"
              ],
              "answer": "GET",
              "difficulty": "Beginner"
            },
            {
              "question": "Which HTTP method is typically used for updating an existing resource in a RESTful API?",
              "options": [
                "POST",
                "PATCH",
                "GET",
                "DELETE"
              ],
              "answer": "PATCH",
              "difficulty": "Intermediate"
            },
             {
              "question": "Which HTTP method is typically used for deleting a resource in a RESTful API?",
              "options": [
                "POST",
                "PUT",
                "GET",
                "DELETE"
              ],
              "answer": "DELETE",
              "difficulty": "Beginner"
            },
            {
              "question": "What is the purpose of `db.add(instance)` in SQLAlchemy?",
              "options": [
                "To delete an instance from the database.",
                "To add a new instance to the database session.",
                "To update an existing instance in the database.",
                "To query the database for an instance."
              ],
              "answer": "To add a new instance to the database session.",
              "difficulty": "Beginner"
            },
            {
              "question": "What does `db.commit()` do in SQLAlchemy?",
              "options": [
                "It rolls back the current transaction.",
                "It saves the changes made in the session to the database.",
                "It closes the database connection.",
                "It starts a new transaction."
              ],
              "answer": "It saves the changes made in the session to the database.",
              "difficulty": "Beginner"
            },
            {
              "question": "What is the purpose of using `async def` when defining FastAPI routes that interact with a database?",
              "options": [
                "To make the route run faster.",
                "To enable asynchronous database operations, preventing blocking.",
                "To automatically generate API documentation.",
                "To simplify error handling."
              ],
              "answer": "To enable asynchronous database operations, preventing blocking.",
              "difficulty": "Advanced"
            }
          ]
        }
      ]
    }
  }
}