select count from table mysql
SELECT COUNT(*) FROM count_demos;select count from table mysql
SELECT COUNT(*) FROM count_demos;mysql select and count left join
select
t.Topic,
t.Title,
count(distinct s.starID) as StarCount,
count(distinct m.User) as UserCount,
count(distinct m.messageID) as MessageCount
from
Topics t
left join Messages m ON m.Topic = t.Topic
left join Stars_Given s ON s.Topic = t.Topic
group by
t.Topic,
t.TitleCopyright © 2021 Codeinu
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