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Editorial Team
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Asked: 2026-06-08T10:35:47+00:00

I have 2 tables: comments & blog blog has the following fields: id(Unique key),title,

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I have 2 tables: comments & blog

blog has the following fields: id(Unique key),title, author, body, date, img, imgdes, tags

comments : key(Unique key), postid(related to the id of blog),name, email, date, message

Im trying to display all of my blog post and the number of comments on every post.

So im trying to “count(postid) where postid=id”

I got something to work but its based around having 1 comment which wont work but this is it:

 SELECT a.postid,c.author,c.title, c.id,c.body,c.date,c.pic, c.tags, c.imgdesc,  
 COUNT(*) AS num_comments FROM comments a LEFT JOIN blog c ON c.id = a.postid 
 GROUP BY c.id order by id DESC"

Again this only work when everything has a comment and i get why but i cant figure out how to implement what I want.

To put it all out there i have:

 $sql="***( help 1 of 2) what to set the query to****"
 $query = mysql_query($sql) or die(mysql_error());
  <?php do{ ?>
  <html stuff here>
  <?php echo $blog['title']?><br>
  <?php echo $blog['*******(help 2 of 2) # of comments display here******']
  <?php } while($blog = mysql_fetch_assoc($sql));?>

im sure this is a easy join but i have no clue thanks!

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1 Answer

  1. Editorial Team

    Use this query it may works for you

    SELECT a.postid,c.author,c.title, c.id,c.body,c.date,c.pic, c.tags, c.imgdesc, COUNT(a.key) AS num_comments FROM blog c left outer join comments a ON a.postid = c.id GROUP BY c.id order by id DESC
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