How to select a single record in a left join

Question

I need to select a specific model from the Models table using its key ModelID. I also need to add a blurb of content from the Model_Content table. The Models_Content table, howe

Answer 1

MySQL 5.7+ allows you to use ANY_VALUE+GROUP BY which will return the column from one (random) row of the joined table.

SELECT M.ModelID, M.Model, ANY_VALUE(C.Content)
FROM   Models M 
LEFT JOIN Models_Content C ON M.ModelID = C.ModelID
WHERE      M.ModelID = 5

or, in case you need it for all models

SELECT M.ModelID, M.Model, ANY_VALUE(C.Content)
FROM   Models M 
LEFT JOIN Models_Content C ON M.ModelID = C.ModelID

more info: https://dev.mysql.com/doc/refman/5.7/en/group-by-handling.html