id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	123	NULL
2	DERIVED	tbl_news_category	ref	fk-news-category,fk-category-news	fk-category-news	4	const	123	Using temporary
2	DERIVED	tbl_news	eq_ref	PRIMARY	PRIMARY	4	slk_dev.tbl_news_category.news_id	1	Using where
2	DERIVED	tbl_news_translation	ref	fk-news-translation	fk-news-translation	4	slk_dev.tbl_news_category.news_id	1	Using index; Distinct