diff --git a/.github/workflows/db_provider_tests.yml b/.github/workflows/db_provider_tests.yml
new file mode 100644
index 0000000..50d00a4
--- /dev/null
+++ b/.github/workflows/db_provider_tests.yml
@@ -0,0 +1,53 @@
+name: DB Provider Tests
+
+on:
+  push:
+    branches: [main]
+  pull_request_review:
+    types: [submitted]
+    branches: [main]
+
+jobs:
+  test:
+    if: github.event.review.state == 'approved' || github.event_name == 'push'
+    runs-on: ubuntu-latest
+
+    services:
+      postgres:
+        image: postgres:latest
+        env:
+          POSTGRES_USER: test
+          POSTGRES_PASSWORD: test
+          POSTGRES_DB: test
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
+      mysql:
+        image: mysql:latest
+        env:
+          MYSQL_ROOT_PASSWORD: test
+          MYSQL_DATABASE: test
+        ports:
+          - 3306:3306
+        options: >-
+          --health-cmd="mysqladmin ping"
+          --health-interval=10s
+          --health-timeout=5s
+          --health-retries=3
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.11'
+      - name: Install dependencies
+        run: |
+          pip install -r requirements-dev.txt
+          pip install -e .
+      - name: Run tests
+        run: pytest
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 864a7dc..876f8c1 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -8,3 +8,5 @@ anthropic
 click
 flask
 pytest
+pytest-postgresql
+psycopg2-binary
diff --git a/tabletalk/factories.py b/tabletalk/factories.py
index f37155a..2a85abd 100644
--- a/tabletalk/factories.py
+++ b/tabletalk/factories.py
@@ -55,7 +55,8 @@ def get_db_provider(config: Dict[str, Any]) -> DatabaseProvider:
     elif provider_type == "postgres":
         return PostgresProvider(
             host=config["host"],
-            database=config["database"],
+            port=int(config.get("port", 5432)),
+            dbname=config["database"],
             user=config["user"],
             password=config["password"],
         )
diff --git a/tabletalk/providers/postgres_provider.py b/tabletalk/providers/postgres_provider.py
index c334481..e53b54d 100644
--- a/tabletalk/providers/postgres_provider.py
+++ b/tabletalk/providers/postgres_provider.py
@@ -7,23 +7,26 @@
 
 
 class PostgresProvider(DatabaseProvider):
-    def __init__(self, host: str, database: str, user: str, password: str):
+    def __init__(self, host: str, port: int, dbname: str, user: str, password: str):
         """
         Initialize PostgreSQL provider with connection string.
 
         Args:
             host (str): PostgreSQL host
-            database (str): PostgreSQL database name
+            port (int): PostgreSQL port
+            dbname (str): PostgreSQL database name
             user (str): PostgreSQL user
             password (str): PostgreSQL password
         """
         self.host = host
-        self.database = database
+        self.port = port
+        self.dbname = dbname
         self.user = user
         self.password = password
         self.connection = psycopg2.connect(
             host=self.host,
-            database=self.database,
+            port=self.port,
+            dbname=self.dbname,
             user=self.user,
             password=self.password,
         )
diff --git a/tabletalk/tests/providers/test_mysql.py b/tabletalk/tests/providers/test_mysql.py
new file mode 100644
index 0000000..6a25037
--- /dev/null
+++ b/tabletalk/tests/providers/test_mysql.py
@@ -0,0 +1,125 @@
+from typing import Any, Dict, Generator, Union
+
+import mysql.connector
+import pytest
+from mysql.connector.abstracts import MySQLConnectionAbstract
+from mysql.connector.pooling import PooledMySQLConnection
+
+from tabletalk.providers.mysql_provider import MySQLProvider
+
+TEST_CONFIG = {
+    "host": "localhost",
+    "port": 3306,
+    "database": "test",
+    "user": "root",
+    "password": "test",
+}
+
+ConnectionType = Union[PooledMySQLConnection, MySQLConnectionAbstract]
+
+
+@pytest.fixture(scope="function")
+def mysql_db() -> Generator[Dict[str, Any], None, None]:
+    """Set up a simple test database"""
+    conn: ConnectionType = mysql.connector.connect(
+        host=TEST_CONFIG["host"],
+        port=TEST_CONFIG["port"],
+        user=TEST_CONFIG["user"],
+        password=TEST_CONFIG["password"],
+    )
+
+    # Handle autocommit based on connection type
+    if isinstance(conn, PooledMySQLConnection):
+        real_conn = conn.get_connection()
+        real_conn.autocommit = True
+    else:
+        conn.autocommit = True
+
+    with conn.cursor() as cur:
+        cur.execute(f"DROP DATABASE IF EXISTS {TEST_CONFIG['database']}")
+        cur.execute(f"CREATE DATABASE {TEST_CONFIG['database']}")
+
+    conn.close()
+    conn = mysql.connector.connect(
+        host=TEST_CONFIG["host"],
+        port=TEST_CONFIG["port"],
+        user=TEST_CONFIG["user"],
+        password=TEST_CONFIG["password"],
+        database=TEST_CONFIG["database"],
+    )
+
+    # Handle autocommit again for the new connection
+    if isinstance(conn, PooledMySQLConnection):
+        real_conn = conn.get_connection()
+        real_conn.autocommit = True
+    else:
+        conn.autocommit = True
+
+    with conn.cursor() as cur:
+        cur.execute(
+            """
+            CREATE TABLE users (
+                id INT AUTO_INCREMENT PRIMARY KEY,
+                name TEXT,
+                age INTEGER
+            )
+        """
+        )
+        cur.execute(
+            """
+            INSERT INTO users (name, age)
+            VALUES ('Alice', 30), ('Bob', 25)
+        """
+        )
+        cur.execute(
+            """
+            CREATE VIEW adult_users AS
+            SELECT name, age FROM users WHERE age >= 18
+        """
+        )
+        conn.commit()
+    conn.close()
+
+    yield TEST_CONFIG
+
+
+@pytest.fixture
+def mysql_provider(
+    mysql_db: Dict[str, Any],
+) -> Generator[MySQLProvider, None, None]:
+    provider = MySQLProvider(
+        host=mysql_db["host"],
+        port=mysql_db["port"],
+        database=mysql_db["database"],
+        user=mysql_db["user"],
+        password=mysql_db["password"],
+    )
+    yield provider
+    provider.connection.close()
+
+
+def test_basic_query(mysql_provider: MySQLProvider) -> None:
+    results = mysql_provider.execute_query("SELECT * FROM users ORDER BY id")
+    assert len(results) == 2
+    assert results[0]["name"] == "Alice"
+    assert results[1]["name"] == "Bob"
+
+
+def test_table_and_view_schema(mysql_provider: MySQLProvider) -> None:
+    schemas = mysql_provider.get_compact_tables()
+    assert len(schemas) == 2
+    table_schema = next(s for s in schemas if s["t"] == "users")
+    view_schema = next(s for s in schemas if s["t"] == "adult_users")
+    assert len(table_schema["f"]) == 3
+    assert [f["n"] for f in table_schema["f"]] == ["id", "name", "age"]
+    assert len(view_schema["f"]) == 2
+    assert [f["n"] for f in view_schema["f"]] == ["name", "age"]
+
+
+def test_view_query(mysql_provider: MySQLProvider) -> None:
+    results = mysql_provider.execute_query("SELECT * FROM adult_users ORDER BY name")
+    assert len(results) == 2
+    assert results[0]["name"] == "Alice"
+    assert results[0]["age"] == 30
+    assert results[1]["name"] == "Bob"
+    assert results[1]["age"] == 25
diff --git a/tabletalk/tests/providers/test_postgres.py b/tabletalk/tests/providers/test_postgres.py
new file mode 100644
index 0000000..2cb5995
--- /dev/null
+++ b/tabletalk/tests/providers/test_postgres.py
@@ -0,0 +1,110 @@
+from typing import Any, Dict, Generator
+
+import pytest
+from psycopg2 import connect
+
+from tabletalk.providers.postgres_provider import PostgresProvider
+
+TEST_CONFIG = {
+    "host": "localhost",
+    "port": 5432,
+    "dbname": "test_db",
+    "user": "test",
+    "password": "test",
+}
+
+
+@pytest.fixture(scope="function")
+def postgres_db() -> Generator[Dict[str, Any], None, None]:
+    """Set up a simple test database"""
+    # Create fresh database
+    admin_conn = connect(
+        host=TEST_CONFIG["host"],
+        port=TEST_CONFIG["port"],
+        user=TEST_CONFIG["user"],
+        password=TEST_CONFIG["password"],
+        dbname="postgres",
+    )
+    admin_conn.autocommit = True
+    with admin_conn.cursor() as cur:
+        cur.execute(f"DROP DATABASE IF EXISTS {TEST_CONFIG['dbname']}")
+        cur.execute(f"CREATE DATABASE {TEST_CONFIG['dbname']}")
+    admin_conn.close()
+
+    # Set up schema and data
+    conn = connect(
+        host=TEST_CONFIG["host"],
+        port=TEST_CONFIG["port"],
+        dbname=TEST_CONFIG["dbname"],
+        user=TEST_CONFIG["user"],
+        password=TEST_CONFIG["password"],
+    )
+    with conn.cursor() as cur:
+        cur.execute(
+            """
+            CREATE TABLE users (
+                id SERIAL PRIMARY KEY,
+                name TEXT,
+                age INTEGER
+            )
+        """
+        )
+        cur.execute(
+            """
+            INSERT INTO users (name, age)
+            VALUES ('Alice', 30), ('Bob', 25)
+        """
+        )
+        cur.execute(
+            """
+            CREATE VIEW adult_users AS
+            SELECT name, age FROM users WHERE age >= 18
+        """
+        )
+        conn.commit()
+    conn.close()
+
+    yield TEST_CONFIG
+
+
+# Rest of the code remains unchanged
+@pytest.fixture
+def postgres_provider(
+    postgres_db: Dict[str, Any],
+) -> Generator[PostgresProvider, None, None]:
+    provider = PostgresProvider(
+        host=postgres_db["host"],
+        port=postgres_db["port"],
+        dbname=postgres_db["dbname"],
+        user=postgres_db["user"],
+        password=postgres_db["password"],
+    )
+    yield provider
+    provider.connection.close()
+
+
+def test_basic_query(postgres_provider: PostgresProvider) -> None:
+    results = postgres_provider.execute_query("SELECT * FROM users ORDER BY id")
+    assert len(results) == 2
+    assert results[0]["name"] == "Alice"
+    assert results[1]["name"] == "Bob"
+
+
+def test_table_and_view_schema(postgres_provider: PostgresProvider) -> None:
+    schemas = postgres_provider.get_compact_tables()
+    assert len(schemas) == 2
+    table_schema = next(s for s in schemas if s["t"] == "users")
+    view_schema = next(s for s in schemas if s["t"] == "adult_users")
+    assert len(table_schema["f"]) == 3
+    assert [f["n"] for f in table_schema["f"]] == ["id", "name", "age"]
+    assert len(view_schema["f"]) == 2
+    assert [f["n"] for f in view_schema["f"]] == ["name", "age"]
+
+
+def test_view_query(postgres_provider: PostgresProvider) -> None:
+    results = postgres_provider.execute_query("SELECT * FROM adult_users ORDER BY name")
+    assert len(results) == 2
+    assert results[0]["name"] == "Alice"
+    assert results[0]["age"] == 30
+    assert results[1]["name"] == "Bob"
+    assert results[1]["age"] == 25
diff --git a/tabletalk/tests/providers/test_sqlite_provider.py b/tabletalk/tests/providers/test_sqlite.py
similarity index 100%
rename from tabletalk/tests/providers/test_sqlite_provider.py
rename to tabletalk/tests/providers/test_sqlite.py