from sqlalchemy import Column, Integer, String, Boolean, DateTime from sqlalchemy.orm import declarative_base from datetime import datetime Base = declarative_base() class User(Base): __tablename__ = "users" id = Column(Integer, primary_key=True) name = Column(String(100)) email = Column(String(100), unique=True) is_active = Column(Boolean, default=True) created_at = Column(DateTime, default=datetime.now)