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Full Version: Fetching first 5 values against every value in another column in another table
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Hi guys, hope this is the right section for this question.
I have 2 tables, topics (topic_id - pk) and comments (comment_id - pk, topic_id - fk). For all the topics, I want to get first 5 comment IDs in one go. Can you give me insights into how to go about it please?
Use a join and limit the select to 5
also you can add 'order by comment_id ASC' (i.e ascending order of comments)
You answer may be using a combination of GROUP_CONCAT and FIND_IN_SET:

https://stackoverflow.com/questions/2129...-per-group
(07-26-2017, 05:30 PM)skunkbad Wrote: [ -> ]You answer may be using a combination of GROUP_CONCAT and FIND_IN_SET:

https://stackoverflow.com/questions/2129...-per-group

Thanks! Will try this out