multiple left join mysql
SELECT news.id, users.username, news.title, news.date, news.body, COUNT(comments.id)
FROM news
LEFT JOIN users
ON news.user_id = users.id
LEFT JOIN comments
ON comments.news_id = news.id
GROUP BY news.idmultiple left join mysql
SELECT news.id, users.username, news.title, news.date, news.body, COUNT(comments.id)
FROM news
LEFT JOIN users
ON news.user_id = users.id
LEFT JOIN comments
ON comments.news_id = news.id
GROUP BY news.iduse of where in left join in mysql
SELECT bk1.book_name,bk1.isbn_no,bk1.book_price,bk1.pub_lang
FROM book_mast bk1
LEFT JOIN book_mast bk2 ON bk1.book_price<bk2.book_price
WHERE bk2.pub_lang='German';Copyright © 2021 Codeinu
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