Explain Query (mysql)

EXPLAIN SELECT `t`.`category_id` AS `t0_c0`, `t`.`name` AS `t0_c1`, `t`.`weight` AS `t0_c2`, `t`.`status` AS `t0_c3`, `t`.`slug` AS `t0_c4`, `t`.`product_categories_netsuite_id` AS `t0_c5`, `i18nProductCategories`.`l_id` AS `t1_c0`, `i18nProductCategories`.`category_id` AS `t1_c1`, `i18nProductCategories`.`lang_id` AS `t1_c2`, `i18nProductCategories`.`l_name` AS `t1_c3`, `i18nProductCategories`.`l_slug` AS `t1_c4` FROM `product_categories` `t` LEFT OUTER JOIN `productCategoriesLang` `i18nProductCategories` ON (`i18nProductCategories`.`category_id`=`t`.`category_id`) AND (i18nProductCategories.lang_id='fr') WHERE (`t`.`category_id`=270)
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t const PRIMARY PRIMARY 4 const 1 100.00
1 SIMPLE i18nProductCategories ref category_id category_id 4 const 1 100.00 Using where