How to set primary key for data table in phpmyadmin

Find the table to add and set the primary key in the database corresponding to phpMyAdmin. Then click on the corresponding "Structure" behind the table, as shown in the following figure:

After opening the phpMyAdmin database table structure, we can see the primary key corresponding to the database table. We Click on the primary key to add and set the primary key to the phpMyAdmin table, as shown in the following figure:

phpMyAdmin prompts that the table primary key is set successfully. At this time, you can see that the key at the primary key changes color. , as shown in the figure below:

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