Change Table Prefix in wp-config.php
Open your wp-config.php file which is located in your WordPress root directory. Change the table prefix line from wp_ to something else like this wp_a123456_

So the line would look like this:

$table_prefix  = 'wp_a123456_';

Renombra las tablas:

RENAME table `wp_commentmeta` TO `wp_a123456_commentmeta`;
RENAME table `wp_comments` TO `wp_a123456_comments`;
RENAME table `wp_links` TO `wp_a123456_links`;
RENAME table `wp_options` TO `wp_a123456_options`;
RENAME table `wp_postmeta` TO `wp_a123456_postmeta`;
RENAME table `wp_posts` TO `wp_a123456_posts`;
RENAME table `wp_terms` TO `wp_a123456_terms`;
RENAME table `wp_termmeta` TO `wp_a123456_termmeta`;
RENAME table `wp_term_relationships` TO `wp_a123456_term_relationships`;
RENAME table `wp_term_taxonomy` TO `wp_a123456_term_taxonomy`;
RENAME table `wp_usermeta` TO `wp_a123456_usermeta`;
RENAME table `wp_users` TO `wp_a123456_users`;

Options Table:

SELECT * FROM `wp_a123456_options` WHERE `option_name` LIKE '%wp_%'

UserMeta Table:

SELECT * FROM `wp_a123456_usermeta` WHERE `meta_key` LIKE '%wp

no reemplazar dismissed_wp_pointers