{"id":4053,"date":"2024-07-22T10:42:37","date_gmt":"2024-07-22T03:42:37","guid":{"rendered":"https:\/\/www.sqlservertutorial.net\/?page_id=4053"},"modified":"2024-09-21T15:09:59","modified_gmt":"2024-09-21T08:09:59","slug":"python-connect-to-sql-server","status":"publish","type":"page","link":"https:\/\/www.sqlservertutorial.net\/python-sql-server\/python-connect-to-sql-server\/","title":{"rendered":"How to Connect to SQL Server from Python"},"content":{"rendered":"\n<p><strong>Summary<\/strong>: in this tutorial, you&#8217;ll learn how to connect to SQL Server databases from Python.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id='creating-a-new-database-in-sql-server'>Creating a new database in SQL Server <a href=\"#creating-a-new-database-in-sql-server\" class=\"anchor\" id=\"creating-a-new-database-in-sql-server\" title=\"Anchor for Creating a new database in SQL Server\">#<\/a><\/h2>\n\n\n\n<p>We&#8217;ll use the <code>BookStore<\/code> database. To create it, you can follow <a href=\"https:\/\/www.sqlservertutorial.net\/creating-a-bookstore-database-in-sql-server\/\">this tutorial<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id='setting-up-a-virtual-environment'>Setting up a virtual environment <a href=\"#setting-up-a-virtual-environment\" class=\"anchor\" id=\"setting-up-a-virtual-environment\" title=\"Anchor for Setting up a virtual environment\">#<\/a><\/h2>\n\n\n\n<p>Step 1. Create a project directory such as <code>sqlserver-python<\/code>:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"plaintext\" data-shcb-language-slug=\"plaintext\"><span><code class=\"hljs language-plaintext\">mkdir sqlserver-python\ncd sqlserver-python<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">plaintext<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">plaintext<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Step 2. Create a <a href=\"https:\/\/www.pythontutorial.net\/python-basics\/python-virtual-environments\/\" target=\"_blank\" rel=\"noreferrer noopener\">virtual environment<\/a>:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"plaintext\" data-shcb-language-slug=\"plaintext\"><span><code class=\"hljs language-plaintext\">python -m venv venv<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">plaintext<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">plaintext<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Step 3. Activate the virtual environment:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"plaintext\" data-shcb-language-slug=\"plaintext\"><span><code class=\"hljs language-plaintext\">venv\/scripts\/activate<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">plaintext<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">plaintext<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h2 class=\"wp-block-heading\" id='installing-necessary-packages'>Installing necessary packages <a href=\"#installing-necessary-packages\" class=\"anchor\" id=\"installing-necessary-packages\" title=\"Anchor for Installing necessary packages\">#<\/a><\/h2>\n\n\n\n<p>We&#8217;ll use two packages;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>pymssql<\/code> &#8211; for connecting to the SQL Server.<\/li>\n\n\n\n<li><code>python-dotenv<\/code> for working with <code>.env<\/code> file that stores database connection parameters.<\/li>\n<\/ul>\n\n\n\n<p>Step 1. Install <code>pymssql<\/code> and <code>python-dotenv<\/code> packages using the following <code>pip<\/code> command:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-4\" data-shcb-language-name=\"plaintext\" data-shcb-language-slug=\"plaintext\"><span><code class=\"hljs language-plaintext\">pip install pymssql python-dotenv<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-4\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">plaintext<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">plaintext<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>It&#8217;ll install the <code>pymssql<\/code> and <code>python-dotenv<\/code> packages.<\/p>\n\n\n\n<p>Step 2. Create the <code>requirements.txt<\/code> file:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-5\" data-shcb-language-name=\"plaintext\" data-shcb-language-slug=\"plaintext\"><span><code class=\"hljs language-plaintext\">pip freeze &gt; requirements.txt<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-5\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">plaintext<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">plaintext<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>It&#8217;ll generate the <code>requirements.txt<\/code> file that includes all dependencies of the project:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-6\" data-shcb-language-name=\"plaintext\" data-shcb-language-slug=\"plaintext\"><span><code class=\"hljs language-plaintext\">pymssql==2.3.0\npython-dotenv==1.0.1<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-6\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">plaintext<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">plaintext<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Note that your package versions may be higher than the ones above.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id='connecting-to-the-sql-server'>Connecting to the SQL Server <a href=\"#connecting-to-the-sql-server\" class=\"anchor\" id=\"connecting-to-the-sql-server\" title=\"Anchor for Connecting to the SQL Server\">#<\/a><\/h2>\n\n\n\n<p>Step 1. Create a new file <code>.env<\/code> in the project directory that includes SQL Server connection parameters:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-7\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">DB_SERVER=localhost\nDB_NAME=BookStore\nDB_USER=joe\nDB_PASSWORD=YourPassword<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-7\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>The <code>.env<\/code> file contains four important database parameters:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>DB_SERVER<\/code> &#8211; specifies the SQL Server database server (<code>localhost<\/code>).<\/li>\n\n\n\n<li><code>DB_NAME<\/code> &#8211; indicates the database name on the SQL Server you want to connect to. It is <code>BookStore<\/code> in this case.<\/li>\n\n\n\n<li><code>DB_USER<\/code> &#8211; provides the user account that has sufficient permissions to connect to the SQL Server.<\/li>\n\n\n\n<li><code>DB_PASSWORD<\/code> &#8211; specify the password for the database user.<\/li>\n<\/ul>\n\n\n\n<p>Step 2. Create a new Python module <code>connect.py<\/code> with the following code:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-8\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\"><span class=\"hljs-keyword\">import<\/span> os, logging\n<span class=\"hljs-keyword\">from<\/span> pymssql <span class=\"hljs-keyword\">import<\/span> connect, Connection\n<span class=\"hljs-keyword\">from<\/span> dotenv <span class=\"hljs-keyword\">import<\/span> load_dotenv\n\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">create_connection<\/span><span class=\"hljs-params\">()<\/span> -&gt; Connection | <span class=\"hljs-keyword\">None<\/span>:<\/span>\n    <span class=\"hljs-comment\"># read data from .env file<\/span>\n    load_dotenv()\n    db_server = os.getenv(<span class=\"hljs-string\">'DB_SERVER'<\/span>)\n    db_user = os.getenv(<span class=\"hljs-string\">'DB_USER'<\/span>)\n    db_password = os.getenv(<span class=\"hljs-string\">'DB_PASSWORD'<\/span>)\n    db_name = os.getenv(<span class=\"hljs-string\">'DB_NAME'<\/span>)\n\n    <span class=\"hljs-comment\"># connect to the SQL Server<\/span>\n    <span class=\"hljs-keyword\">try<\/span>:\n        <span class=\"hljs-keyword\">return<\/span> connect(server=db_server, user=db_user, password=db_password, database=db_name)\n    <span class=\"hljs-keyword\">except<\/span> Exception <span class=\"hljs-keyword\">as<\/span> e:\n        logging.error(<span class=\"hljs-string\">f'Error connecting to the SQL Server database: <span class=\"hljs-subst\">{e}<\/span>'<\/span>)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-8\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>In the <code>connect.py<\/code> file, we define a <code>create_connnection()<\/code> function that loads database connection parameters from the <code>.env<\/code> file and connects to the SQL Server. <\/p>\n\n\n\n<p>If the database connection is established successfully, the <code>create_connection()<\/code> function returns a <code>Connection<\/code> object. Otherwise, it returns <code>None<\/code>.<\/p>\n\n\n\n<p>How it works.<\/p>\n\n\n\n<p>First, import <code>os<\/code> module for getting configuration parameters from the env and logging package for logging purposes:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-9\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\"><span class=\"hljs-keyword\">import<\/span> os, logging<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-9\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Second, import the <code>connect<\/code> function and <code>Connection<\/code> object from the <code>pymssql<\/code> package:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-10\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\"><span class=\"hljs-keyword\">from<\/span> pymssql <span class=\"hljs-keyword\">import<\/span> connect, Connection<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-10\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Third, import the <code>load_dotenv<\/code> function from the <code>dotenv<\/code> module:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-11\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\"><span class=\"hljs-keyword\">from<\/span> dotenv <span class=\"hljs-keyword\">import<\/span> load_dotenv<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-11\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Fourth, load environment variables from the <code>.env<\/code> file by calling the <code>load_dotenv()<\/code> function:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-12\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">load_dotenv()<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-12\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Fifth, read the environment variables including <code>DB_SERVER<\/code>, <code>DB_USER<\/code>, <code>DB_PASSWORD<\/code>, and <code>DB_NAME<\/code>  using the <code>os.getenv()<\/code> function:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-13\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">db_server = os.getenv(<span class=\"hljs-string\">'DB_SERVER'<\/span>)\ndb_user = os.getenv(<span class=\"hljs-string\">'DB_USER'<\/span>)\ndb_password = os.getenv(<span class=\"hljs-string\">'DB_PASSWORD'<\/span>)\ndb_name = os.getenv(<span class=\"hljs-string\">'DB_NAME'<\/span>)       <\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-13\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Sixth, connect to the SQL Server by calling the <code>connect()<\/code> function with the corresponding database parameters:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-14\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">connect(server=db_server, user=db_user, password=db_password, database=db_name)<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-14\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Seventh, display an error in the <code><a href=\"https:\/\/www.pythontutorial.net\/python-basics\/python-try-except\/\" target=\"_blank\" rel=\"noreferrer noopener\">except<\/a><\/code> block if an error occurs during the connection:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-15\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">logging.error(<span class=\"hljs-string\">f'Error connecting to the SQL Server database: <span class=\"hljs-subst\">{e}<\/span>'<\/span>)<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-15\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Step 3. Create the <code>main.py<\/code> file and call the <code>create_connection<\/code> function to connect to the SQL Server:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-16\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\"><span class=\"hljs-keyword\">import<\/span> logging, sys\n<span class=\"hljs-keyword\">from<\/span> connect <span class=\"hljs-keyword\">import<\/span> create_connection\n\n<span class=\"hljs-comment\"># config logging to console<\/span>\nlogging.basicConfig(\n    stream=sys.stdout, \n    encoding=<span class=\"hljs-string\">'utf-8'<\/span>, \n    format=<span class=\"hljs-string\">'%(levelname)s:%(message)s'<\/span>,\n    level=logging.DEBUG\n)\n\n<span class=\"hljs-comment\"># create a database connection<\/span>\nconn = create_connection()\n<span class=\"hljs-keyword\">if<\/span> conn:\n    logging.info(<span class=\"hljs-string\">'Connected to the SQL Server database successfully.'<\/span>)\n    conn.close()<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-16\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>How it works.<\/p>\n\n\n\n<p>First, import <code>logging<\/code> and <code>sys<\/code> built-in modules:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-17\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\"><span class=\"hljs-keyword\">import<\/span> logging, sys<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-17\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Second, import the <code>create_connection<\/code> function from the <code>connect<\/code> module:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-18\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\"><span class=\"hljs-keyword\">from<\/span> connect <span class=\"hljs-keyword\">import<\/span> create_connection<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-18\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Third, configure the <code>logging<\/code> module to log information to the standard output, which is the terminal in this case:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-19\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\"><span class=\"hljs-comment\"># config logging to console<\/span>\nlogging.basicConfig(\n    stream=sys.stdout, \n    encoding=<span class=\"hljs-string\">'utf-8'<\/span>, \n    format=<span class=\"hljs-string\">'%(levelname)s:%(message)s'<\/span>,\n    level=logging.DEBUG\n)<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-19\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Fourth, connect to the SQL Server by calling the <code>create_connection()<\/code> function:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-20\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">conn = create_connection()\n<span class=\"hljs-keyword\">if<\/span> conn:\n    logging.info(<span class=\"hljs-string\">'Connected to the SQL Server database successfully.'<\/span>)\n    conn.close()<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-20\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>If the connection is established successfully, we log an informational message and close the database connection by calling the <code>close()<\/code> method of the <code>Connection<\/code> object.<\/p>\n\n\n\n<p>Step 4. Open your terminal and run the following command to execute the <code>main.py<\/code> file:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-21\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">python main.py<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-21\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>If you see the following in your terminal, you&#8217;re successfully connected to the SQL Server:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-22\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">INFO:Connected to the SQL Server database successfully.<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-22\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h2 class=\"wp-block-heading\" id='download-the-project-source-code'>Download the project source code <a href=\"#download-the-project-source-code\" class=\"anchor\" id=\"download-the-project-source-code\" title=\"Anchor for Download the project source code\">#<\/a><\/h2>\n\n\n\n<p><a href=\"https:\/\/www.sqlservertutorial.net\/wp-content\/uploads\/Python-SQL-Server-Connect.zip\">Download the project source code<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id='summary'>Summary <a href=\"#summary\" class=\"anchor\" id=\"summary\" title=\"Anchor for Summary\">#<\/a><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use the <code>.env<\/code> file to store the database configuration.<\/li>\n\n\n\n<li>Use the <code>python-dotenv<\/code> package to read variable environments stored in the <code>.env<\/code> file.<\/li>\n\n\n\n<li>Call the <code>connect()<\/code> function of the <code>pymssql<\/code> package to connect to the SQL Server.<\/li>\n<\/ul>\n\n\n\n<p>Please note that we&#8217;ll reuse the <code>create_connection()<\/code> function in the next tutorials for connecting to the SQL Server.<\/p>\n<div class=\"helpful-block-content\" data-title=\"\">\n\t<header>\n\t\t<div class=\"wth-question\">Was this tutorial helpful?<\/div>\n\t\t<div class=\"wth-thumbs\">\n\t\t\t<button\n\t\t\t\tdata-post=\"4053\"\n\t\t\t\tdata-post-url=\"https:\/\/www.sqlservertutorial.net\/python-sql-server\/python-connect-to-sql-server\/\"\n\t\t\t\tdata-post-title=\"How to Connect to SQL Server from Python\"\n\t\t\t\tdata-response=\"1\"\n\t\t\t\tclass=\"wth-btn-rounded 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