How to use $wpdb to delete in a custom table

The best WP API solution for this goal is to use the delete() function to remove a row.

A small example, to delete the raw ‘ID’ in the custom table ‘eLearning_progress.’

    $id = 0815;
    $table="eLearning_progress";
    $wpdb->delete( $table, array( 'id' => $id ) );

But I can’t see which raw you will delete in your table eLearning_progress? Maybe you enhance the question to understand it much better.

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