Wordpress - How to delete all records from or empty a custom database table?

I would just modify Q Studio example to:

global $wpdb;
$table  = $wpdb->prefix . 'table_name';
$delete = $wpdb->query("TRUNCATE TABLE $table");

Thanks @s_ha_dum - Truncate does the job nicely:

// delete row ##
global $wpdb;
$delete = $wpdb->query("TRUNCATE TABLE `wp_table_name`");

2 years late, but maybe this will help someone in the future :)

The correct syntax for deleting rows from a MySQL table is:

DELETE FROM `wp_table_name`
WHERE 1 = 1;

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