Question

I have a post table and postcontent table.

Each time post is edited,an entry is added to postcontent table .

On each such time a filed called version will be incremented by 1
In the postcontent table.

How can I fetch PostId, from post able and [Description] from to postcontent table
Where version for each post is maximum
Ie group by post id
ie i am expecting one raw for each post such that it is the ‘maximum of version’ for the post

Answer 1

SELECT 
    p.[PostID],
    pc.[Description]
FROM
    [Post] AS p
INNER JOIN
    [PostContent] AS pc
    on p.PostID = pc.PostID 
WHERE
    pc.[Version] = (SELECT MAX([Version]) FROM PostContent WHERE PostID = p.PostID)