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Knowledge Base

Modifying Table Columns in phpMyAdmin

If you manage MySQL or MariaDB databases, phpMyAdmin offers a simple way to handle columns. You can easily add, remove, or edit them through its user-friendly web interface, which is ideal for restructuring tables or applying new constraints. In this tutorial, you’ll learn how to update table columns in phpMyAdmin to streamline your database management tasks.

Modifying Table Columns in phpMyAdmin

When working on column modifications in phpMyAdmin, make sure you follow some basic safety steps to keep your changes accurate and problem-free.

Be careful about changing certain aspects of table columns because it is possible to lose data. For example, if you change the maximum length of a field from 20 characters to 15 characters, any data in that column that is longer than 15 characters will be truncated (chopped off).
  1. Log in to your Bluehost Account Manager.
  2. In the left-hand menu, click Websites.
  3. Click the Manage button located next to the website you want to manage.

    Bluehost Account Manager - Website Manage button
     

  1. In the OVERVIEW tab, click the PHPMyAdmin button.

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  2. After the site redirects, navigate to the left column of the phpMyAdmin interface and choose the database you wish to modify by clicking its name.

    php-my-admin-database
     

  3. Once you’re inside the selected database, a list of tables will appear. Choose the one you need to modify by clicking its name.
  4. Select Structure from the menu.

    am-php-my-admin-structure
     

  5. Next to the column name, you’ll find a Change option under the Actions menu. Click Change for the column you want to edit.

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  6. You can change various things, including the column's name, field length (maximum number of characters allowed), default value, and more.
  7. Once you are ready, click Save to proceed with the changes.

    am-php-my-admin-structure-change-save
     

The modifications you made have been saved and implemented.

Summary

Modifying table columns in phpMyAdmin can be a simple and efficient way to manage your database. However, taking the necessary precautions before making any changes, such as backing up your database, is crucial. Additionally, it is important to be mindful of the potential consequences of modifying certain table-column aspects of your data. Armed with these steps and a cautious mindset, you can handle column modifications smoothly and ensure your database stays properly organized.

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You may also refer to our Knowledge Base articles to help answer common questions and guide you through various setup, configuration, and troubleshooting steps.

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