Tag: MySQL

 To create a custom menu page in WordPress, retrieve custom table data from MySQL, and display it with the ability to export to CSV/Excel, you can follow these steps: Create a custom table in your WordPress database to store your data. You can use the $wpdb global variable to interact with custom tables in WordPress. […]

 To get the total of a MySQL field and then select the three highest totals from the table, you can use the following PHP script: <?php // Assuming you have already established a MySQL connection // Retrieve the total of a field and select the three highest totals $servername = “localhost”; $username = “your_username”; $password […]

 To fetch data from a MySQL database and export it to CSV using PHP, you can follow these steps: <?php // Database connection details $servername = “localhost”; $username = “your_username”; $password = “your_password”; $dbname = “your_database_name”; // Create connection $conn = new mysqli($servername, $username, $password, $dbname); // Check connection if ($conn->connect_error) { die(“Connection failed: ” […]

 Here’s a detailed example of how to import data from a CSV file into a MySQL database using PHP. The script processes each row one by one, displays a success message for each successfully inserted row, and stops the process if any error occurs, showing the error message. Prerequisites: Ensure you have a MySQL database […]

Converting varchar data to date format in MySQL involves several steps. Here’s a method to achieve this: Assuming your varchar date column is named date_column and your table is named your_table, you can follow these steps: Remember to take a backup of your data before making such changes to your database. Incorrectly manipulating your database […]

To fetch data from a MySQL database and export it to Excel, you can use PHP along with a library like PHPExcel or PHPSpreadsheet (which is the successor of PHPExcel). Here, I’ll provide an example using PHPExcel. Please note that PHPExcel is now deprecated, and PHPSpreadsheet is recommended for new projects. If you’re starting a […]