when to use a multiple join mysql code example

Example 1: 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.id

Example 2: How to use multiple join in mysql

SELECT 
    t1.name name,
    t1.id id,
    t1.add_date add_date, 
    t2.soc_township township_name1,
    t2.soc_name soc_name,
    t3.name township_name
FROM block t1 
INNER JOIN society t2
    ON (t1.soc_id = t2.id)
INNER JOIN township t3
    ON (t2.soc_township = t3.id)

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Sql Example