What are the basics of SQLAlchemy?

What are the basics of SQLAlchemy?

SQLAlchemy is an ORM (Object Relational Mapper) for Python that allows you to interact with databases using Python objects.

How do I set up a connection to a database using SQLAlchemy?

You can set up a connection using the create_engine function. For example: engine = create_engine('sqlite:///example.db').

What is a session in SQLAlchemy?

A session in SQLAlchemy is a workspace for your database operations. It allows you to add, delete, and query objects.

Can you show me how to define a model?

Sure! You define a model by creating a class that inherits from Base. For example:

class User(Base):
    __tablename__ = 'users'
    id = Column(Integer, primary_key=True)
    name = Column(String)