id int not_null auto_increment
categories_id int not_null
parent_id int not_null default(0)
categories_name text default null
url text default null
date_added date default null
date_modified date default null
sort_order int(3) default(0)

--
primary id
idx_parent_id parent_id
##
engine innodb
character_set utf8mb4
collate utf8mb4_unicode_ci