Select unique rows in mysql query?

Use the GROUP BY statment SELECT employer. Id, employer. Name FROM employers LEFT JOIN positions ON positions.Id = employers.

Id LEFT JOIN statuses ON statuses. Position = positions. Some WHERE statuses.

Number = 2 GROUP BY employer.id.

Using GROUP BY on employer id, you will only get one employer record for each row returned: SELECT employer. Id, employer. Name FROM employers LEFT JOIN positions ON positions.Id = employers.

Id LEFT JOIN statuses ON statuses. Position = positions. Some WHERE statuses.

Number = 2 GROUP BY employer.id.

Thanks I was looking for it – Johnds Aug 5 at 22:00.

First, any time you reference a LEFT JOINed column in your WHERE clause, like statuses. Number =2, you negate the LEFT and force it to behave like an INNER. Second, try this version: SELECT e.Id, e.

Name FROM employers e WHERE EXISTS(SELECT 1 FROM positions p INNER JOIN statuses s ON p. Some = s. Position WHERE p.

Id = e. Id AND s. Number = 2).

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