id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	tbl_news_category	ref	fk-news-category,fk-category-news	fk-news-category	4	const	2	Using where
1	SIMPLE	tbl_category	eq_ref	PRIMARY	PRIMARY	4	slk_dev.tbl_news_category.category_id	1	Using where