diff --git a/LICENSE b/LICENSE
index cbc871d..a6afae2 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2024 someone624
+Copyright (c) <year> <person>
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/src/models/db.py b/src/models/db.py
new file mode 100644
index 0000000..6379993
--- /dev/null
+++ b/src/models/db.py
@@ -0,0 +1,25 @@
+# db.py
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+from .models import Base
+
+# Database URL (adjust accordingly)
+DATABASE_URL = 'postgresql://username:password@localhost/dbname'
+
+# Create engine
+engine = create_engine(DATABASE_URL, echo=True)
+
+# Create a session
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+# Create tables in the database
+def init_db():
+    Base.metadata.create_all(bind=engine)
+
+# Dependency to get DB session
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
diff --git a/src/models/migrations/env.py b/src/models/migrations/env.py
new file mode 100644
index 0000000..829e8fe
--- /dev/null
+++ b/src/models/migrations/env.py
@@ -0,0 +1,32 @@
+# env.py (Generated by Alembic)
+from __future__ import with_statement
+from alembic import context
+from sqlalchemy import engine_from_config, pool
+from logging.config import fileConfig
+import os
+import sys
+
+# Add model path to sys.path for access
+sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '../src')))
+
+from models import Base  # Ensure your models are imported here
+
+# Configuring Alembic context
+config = context.config
+fileConfig(config.config_file_name)
+
+def run_migrations_online():
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section),
+        prefix='sqlalchemy.',
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(connection=connection)
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+if __name__ == '__main__':
+    run_migrations_online()
\ No newline at end of file
diff --git a/src/models/migrations/versions/xxxx_add_user_table.py b/src/models/migrations/versions/xxxx_add_user_table.py
new file mode 100644
index 0000000..8dfe26b
--- /dev/null
+++ b/src/models/migrations/versions/xxxx_add_user_table.py
@@ -0,0 +1,19 @@
+# xxxx_add_user_table.py (Generated by Alembic)
+from alembic import op
+import sqlalchemy as sa
+
+def upgrade():
+    op.create_table(
+        'users',
+        sa.Column('id', sa.Integer(), nullable=False),
+        sa.Column('username', sa.String(length=100), nullable=False),
+        sa.Column('email', sa.String(length=100), nullable=False),
+        sa.Column('password_hash', sa.String(length=255), nullable=False),
+        sa.Column('created_at', sa.DateTime(), nullable=True),
+        sa.PrimaryKeyConstraint('id'),
+        sa.UniqueConstraint('email'),
+        sa.UniqueConstraint('username')
+    )
+
+def downgrade():
+    op.drop_table('users')
\ No newline at end of file
diff --git a/src/models/product_model.py b/src/models/product_model.py
new file mode 100644
index 0000000..0ef6b9d
--- /dev/null
+++ b/src/models/product_model.py
@@ -0,0 +1,22 @@
+from sqlalchemy import Column, Integer, String, Float, DateTime
+from sqlalchemy.ext.declarative import declarative_base
+import datetime
+
+Base = declarative_base()
+
+class Product(Base):
+    __tablename__ = 'products'
+    
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    name = Column(String(100), nullable=False)
+    description = Column(String(255))
+    price = Column(Float, nullable=False)
+    created_at = Column(DateTime, default=datetime.datetime.utcnow)
+
+    def __repr__(self):
+        return f"<Product(id={self.id}, name={self.name}, price={self.price})>"
+
+    def __init__(self, name, description, price):
+        self.name = name
+        self.description = description
+        self.price = price
diff --git a/src/models/queries.py b/src/models/queries.py
new file mode 100644
index 0000000..62681f1
--- /dev/null
+++ b/src/models/queries.py
@@ -0,0 +1,23 @@
+from sqlalchemy.orm import Session
+from .user_model import User
+from .product_model import Product
+
+def get_user_by_id(db: Session, user_id: int):
+    return db.query(User).filter(User.id == user_id).first()
+
+def get_all_products(db: Session):
+    return db.query(Product).all()
+
+def create_user(db: Session, username: str, email: str, password_hash: str):
+    db_user = User(username=username, email=email, password_hash=password_hash)
+    db.add(db_user)
+    db.commit()
+    db.refresh(db_user)
+    return db_user
+
+def create_product(db: Session, name: str, description: str, price: float):
+    db_product = Product(name=name, description=description, price=price)
+    db.add(db_product)
+    db.commit()
+    db.refresh(db_product)
+    return db_product
\ No newline at end of file