{"id":5472,"date":"2022-10-18T01:02:56","date_gmt":"2022-10-18T01:02:56","guid":{"rendered":"https:\/\/tuvoc.com\/?p=5472"},"modified":"2024-10-30T07:30:51","modified_gmt":"2024-10-30T07:30:51","slug":"how-to-fix-the-error-of-database-connection-to-the-wordpress-site","status":"publish","type":"post","link":"https:\/\/www.tuvoc.com\/blog\/how-to-fix-the-error-of-database-connection-to-the-wordpress-site\/","title":{"rendered":"How To Fix The Error of Database Connection to the WordPress Site"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">&#8220;Error Establishing a Database Connection&#8221; is one of those errors common to every WordPress user and annoying at the same time. This can cripple your site, making it unreachable to users. With some step-by-step approaches and a little bit of effort, though, this kind of error is resolvable.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">As a <\/span><a href=\"https:\/\/www.tuvoc.com\/technologies\/cms\/wordpress-development-services\/\"><b>WordPress development services <\/b><\/a>provider<span style=\"font-weight: 400;\">, we are going to highlight some of the causes and take a stepwise approach to correcting this error.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Error-establishing.png\" alt=\"Error Establishing\" width=\"1919\" height=\"278\" class=\"alignnone size-full wp-image-8763\" srcset=\"https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Error-establishing.png 1919w, https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Error-establishing-300x43.png 300w, https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Error-establishing-1024x148.png 1024w, https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Error-establishing-768x111.png 768w, https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Error-establishing-1536x223.png 1536w\" sizes=\"auto, (max-width: 1919px) 100vw, 1919px\" \/><\/p>\n<h2><span style=\"font-weight: 600;\">Understanding the Error<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The error &#8220;Error Establishing a Database Connection&#8221; usually means your WordPress site cannot talk to your database. By default, WordPress uses the MySQL database to store all information from your website, including posts, pages, user data, and more. If WordPress can&#8217;t reach this database, it can&#8217;t load your website, thus serving the error.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Error-Establishing-DB-Connection.png\" alt=\"Error Establishing DB Connection\" width=\"1919\" height=\"633\" class=\"alignnone size-full wp-image-8765\" srcset=\"https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Error-Establishing-DB-Connection.png 1919w, https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Error-Establishing-DB-Connection-300x99.png 300w, https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Error-Establishing-DB-Connection-1024x338.png 1024w, https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Error-Establishing-DB-Connection-768x253.png 768w, https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Error-Establishing-DB-Connection-1536x507.png 1536w\" sizes=\"auto, (max-width: 1919px) 100vw, 1919px\" \/><\/p>\n<h2><b>Common Causes of the Error:<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Improper Database Credentials<\/strong>: WordPress uses a certain database name, username, password, and host to connect with your database. If any of these is incorrect, the connection will never be established.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Database Corruption<\/strong>: The database might get corrupted due to several reasons, including malfunctioning plugins or themes or an issue with the server.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Server Issues<\/strong>: Your web hosting server may be down or there might be some issue with the server&#8217;s configuration.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Entering the Exceeded Database Limit<\/strong>: A good number of hosting providers put either a limit on a database size or concurrent database connections. Upon crossing a limit on any count, connections to it may fail.<\/span><\/li>\n<\/ul>\n<h2><b>Solution\u2014Step-by-Step Procedure:<\/b><\/h2>\n<p><b>1. Check Your Database Credentials:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Get sure your database credentials are accurate. The positioning of it is in your WordPress root folder&#8217;s <\/span><b><i>\u2018wp-config.php\u2019<\/i><\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Access the <\/span><b><i>\u2018wp-config.php\u2019<\/i><\/b><span style=\"font-weight: 400;\">: Use an FTP service or your service provider file manager.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Look for the following details:<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u2018<\/span><i><span style=\"font-weight: 400;\">DB_NAME\u2019<\/span><\/i><span style=\"font-weight: 400;\">: it is the name of the database.<\/span><\/p>\n<p><i><span style=\"font-weight: 400;\">\u2018DB_USER\u2019<\/span><\/i><span style=\"font-weight: 400;\">: Your database username.<\/span><\/p>\n<p><i><span style=\"font-weight: 400;\">\u2018DB_PASSWORD\u2019<\/span><\/i><span style=\"font-weight: 400;\">: Your database password.<\/span><\/p>\n<p><i><span style=\"font-weight: 400;\">\u2018DB_HOST\u2019:<\/span><\/i><span style=\"font-weight: 400;\"> host where the database server is kept. Usually, it is localhost.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If any detail isn&#8217;t correct, then do the correction and try reloading your website.<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">\/\/ ** MySQL settings - You can get this info from your web host ** \/\/<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\/** The name of the database for WordPress *\/<\/span>\r\n\r\n<span style=\"font-weight: 400;\">define( <\/span><span style=\"font-weight: 400;\">'DB_NAME'<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">'database_name_here'<\/span> <span style=\"font-weight: 400;\">);<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\/** MySQL database username *\/<\/span>\r\n\r\n<span style=\"font-weight: 400;\">define( <\/span><span style=\"font-weight: 400;\">'DB_USER'<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">'username_here'<\/span> <span style=\"font-weight: 400;\">);<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\/** MySQL database password *\/<\/span>\r\n\r\n<span style=\"font-weight: 400;\">define( <\/span><span style=\"font-weight: 400;\">'DB_PASSWORD'<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">'password_here'<\/span> <span style=\"font-weight: 400;\">);<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\/** MySQL hostname *\/<\/span>\r\n\r\n<span style=\"font-weight: 400;\">define( <\/span><span style=\"font-weight: 400;\">'DB_HOST'<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">'localhost'<\/span> <span style=\"font-weight: 400;\">);<\/span>\r\n<\/pre>\n<p>&nbsp;<\/p>\n<p><b>2. Repair Your Database:<\/b><b><\/b><\/p>\n<p><span style=\"font-weight: 400;\">After the credentials are right, find out whether your database corrupts itself.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Enable Database Repair<\/strong>:<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Insert the following line into your wp-config.php file:<\/span><\/p>\n<p><b><i>define(&#8216;WP_ALLOW_REPAIR&#8217;, true);<\/i><\/b><\/p>\n<p><span style=\"font-weight: 400;\">Access the address <\/span><b><i>\u2018http:\/\/yourwebsite.com\/wp-admin\/maint\/repair.php\u2019<\/i><\/b><span style=\"font-weight: 400;\"> and click to start the repair.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Repair-Database.png\" alt=\"Repair Database\" width=\"1139\" height=\"589\" class=\"alignnone size-full wp-image-8767\" srcset=\"https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Repair-Database.png 1139w, https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Repair-Database-300x155.png 300w, https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Repair-Database-1024x530.png 1024w, https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Repair-Database-768x397.png 768w\" sizes=\"auto, (max-width: 1139px) 100vw, 1139px\" \/><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Run the Repair<\/strong>: At this point, you will have two options: either to repair or to repair and optimize your database. Opt for the option of your choice.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><strong>Disable Repair Mode<\/strong>: After the process is complete, delete the line from your <b><i>\u2018wp-config.php\u2019<\/i><\/b><span> because leaving it there keeps the site in repair mode.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><b>3. Check Your Server:<\/b><b><\/b><\/p>\n<p><span style=\"font-weight: 400;\">Fixing the database still does not resolve the issue; there may be chances that it is your Server that creates the problem.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><strong>Contact Your Hosting Provider<\/strong>: Query if the server has some issues or your account may consume more resources than provisioned.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><strong>Check Server Logs<\/strong>: Your hosting provider could also provide access to the server logs to help diagnose the problem.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>4. Test Your Database Connection:<\/b><b><\/b><\/p>\n<p><span style=\"font-weight: 400;\">Sometimes this is due to a hiccup in the database connection. You can test this by creating the following small PHP script.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Create New File<\/strong>: For this, create a new file in your WordPress root directory and name it <\/span><b><i>\u2018testdb.php\u2019<\/i><\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Add the Following Code:<\/span><\/li>\n<\/ul>\n<pre><i><span style=\"font-weight: 400;\">&lt;?php<\/span><\/i>\r\n\r\n<i><span style=\"font-weight: 400;\">$link = mysqli_connect('DB_HOST', 'DB_USER', 'DB_PASSWORD',<\/span><\/i>\r\n\r\n<i><span style=\"font-weight: 400;\">\u00a0\u00a0$link = mysqli_connect('DB_HOST', 'DB_USER', 'DB_PASSWORD');<\/span><\/i>\r\n\r\n<i><span style=\"font-weight: 400;\">\u00a0\u00a0if (!$link) {<\/span><\/i>\r\n\r\n<i><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0die('Could not connect: ' . mysqli_error());<\/span><\/i>\r\n\r\n<i><span style=\"font-weight: 400;\">\u00a0\u00a0}<\/span><\/i>\r\n\r\n<i><span style=\"font-weight: 400;\">\u00a0\u00a0echo 'Connected successfully';<\/span><\/i>\r\n\r\n<i><span style=\"font-weight: 400;\">\u00a0\u00a0mysqli_close($link);<\/span><\/i>\r\n\r\n<i><span style=\"font-weight: 400;\">\u00a0\u00a0?&gt;<\/span><\/i>\r\n<\/pre>\n<p><span style=\"font-weight: 400;\">Replace the placeholders, (<\/span><span style=\"font-weight: 400;\">DB_HOST<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">DB_USER<\/span><span style=\"font-weight: 400;\">, and <\/span><span style=\"font-weight: 400;\">DB_PASSWORD<\/span><span style=\"font-weight: 400;\">), with actual values from your <\/span><b><i>`wp-config.php`.<\/i><\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Run the Script:<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Visit <\/span><b><i>\u2018http:\/\/yourwebsite.com\/testdb.php\u2019<\/i><\/b><span style=\"font-weight: 400;\">. If you get a message saying `Connected successfully`, your database connection is just perfect. If not, then either the credentials are wrong, or there is some issue with your database server.<\/span><\/p>\n<p><b>5. Restore WordPress Files:<\/b><b><\/b><\/p>\n<p><span style=\"font-weight: 400;\">Sometimes, even these core files of WordPress can get corrupted and result in database connection issues. These files may be restored without losing your content.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Download a Fresh Copy of WordPress from <\/span><i><span style=\"font-weight: 400;\">\u2018<\/span><\/i><a href=\"http:\/\/wordpress.org\"><i><span style=\"font-weight: 400;\">WordPress.org<\/span><\/i><\/a><i><span style=\"font-weight: 400;\">\u2019.<\/span><\/i><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Replace wp-admin and wp-includes folder:\u00a0<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Un-zip the downloaded files of WordPress on your computer.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">By using FTP, connect to your site, or by using your host file manager. Copy the fresh download&#8217;s <\/span><i><span style=\"font-weight: 400;\">\u2018wp-admin\u2019<\/span><\/i><span style=\"font-weight: 400;\"> and <\/span><i><span style=\"font-weight: 400;\">\u2018wp-includes\u2019<\/span><\/i><span style=\"font-weight: 400;\"> folders to your server.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Replace-code-by-FTP.png\" alt=\"Replace code by FTP\" width=\"1043\" height=\"736\" class=\"alignnone size-full wp-image-8766\" srcset=\"https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Replace-code-by-FTP.png 1043w, https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Replace-code-by-FTP-300x212.png 300w, https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Replace-code-by-FTP-1024x723.png 1024w, https:\/\/www.tuvoc.com\/wp-content\/uploads\/2022\/10\/Replace-code-by-FTP-768x542.png 768w\" sizes=\"auto, (max-width: 1043px) 100vw, 1043px\" \/><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Visit Your Site<\/strong>: Go back to visit your site after performing the above step.<\/span><\/li>\n<\/ul>\n<p><b>6. Reboot Your Server:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Rebooting your server can be an adequate solution in most cases. The problem might just be a temporary server glitch or reaching a type of resource limit.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Reboot via Hosting Control Panel<\/strong>: Almost all hosting providers will give you options to reboot your server or restart services via their control panel.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Check Server Errors<\/strong>: After the reboot, check your site again and go through the error logs to check other possible clues.<\/span><\/li>\n<\/ul>\n<p><b>Preventing Future Database Connection Errors:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Regular Backups: Regularly back up your WordPress site along with the database to prevent any possible data loss in case of issues.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Optimize your database regularly to keep it healthy and reduce corruption in general.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Do monitor the server resources to ensure it does not reach a certain limit, which might bring about this error.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Use Reliable Hosting: Make sure you are on a reliable hosting with good server performance and support.<\/span><\/li>\n<\/ul>\n<p><b>Conclusion:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Error establishing a database connection may be one of the scary issues, yet the steps are far from impossible to tackle: from checking your credentials to repairing your database if required, to issues dealing with the servers.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Don&#8217;t forget to practice preventive measures so that you don&#8217;t see this error again. Some of the preventive measures include regular backups, database optimization, and monitoring server resources to help keep your WordPress site healthy.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&ldquo;Error Establishing a Database Connection&rdquo; is one of those errors common to every WordPress user and annoying at the same time. This can cripple your site, making it unreachable to users. With some step-by-step approaches and a little bit of effort, though, this kind of error is resolvable.&nbsp; As a WordPress development services provider, we [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":5478,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[124],"tags":[],"class_list":["post-5472","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-app-development"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Fix Database Connection Error in WordPress<\/title>\n<meta name=\"description\" content=\"Fix the Error Establishing a Database Connection on your WordPress site with our easy-to-follow troubleshooting guide.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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