Mysql query – Find term_taxonomy_id from category name
Use the following query to find term_taxonomy_id for a category name after replacing “Tutorial” with the category you want to use.
select wp_term_taxonomy.term_taxonomy_id from wp_term_taxonomy join wp_terms on (wp_term_taxonomy.term_id = wp_terms.term_id) where wp_term_taxonomy.taxonomy = 'category' and wp_terms.name = 'Tutorials';