Nettet13. apr. 2024 · Move the position_data4 conditions from WHERE to ON to get true LEFT JOIN result. – jarlh 5 hours ago left join with any condition on right (joined) table that doesn't handle null turns this join into inner, because null s coming from the right table evaluate condition to unknown/null – astentx 3 hours ago Add a comment 1 Answer … Nettet21. sep. 2012 · If you do not have to return the payment from the query you can do this with distinct, like: SELECT DISTINCT u.*. FROM users AS u INNER JOIN payments …
MySQL INNER JOIN select only one row from second table
Nettet9. aug. 2024 · One method uses row_number (): Select F.*, B.* from Foo f left join (select b.*, row_number () over (partition by b.id order by id) as seqnum from bar b ) b on f.Id = B.Id and seqnum = 1; The order by specifies what you mean by "first". The order by id … Nettet6. aug. 2024 · What I want is to get only 1 row from TABLE2 and join it to TABLE1 so I could return only a single row. The subquery will run once for each row in the outer … hauppauge animal hospital hours
SQL LEFT JOIN - W3School
Nettet15. mar. 2024 · 1 Answer. My guess is that the WHERE clause is prematurely filtering off records which you expect to appear in your result set. Try moving the WHERE logic … Nettet23. okt. 2012 · In reply to SQL Server: Join two tables returning only one row from the second table Top 1 does not make sense without order by, you will just get a random row, which might or might... Nettet23. sep. 2011 · SELECT h.id, h.name, im.id, im.name -- What you want to select FROM house h,image im -- Tables in join WHERE h.id = im.house_id -- The join (equivalent to inner join) GROUP BY h.id -- This compresses all entries with the -- same h.id into a single row HAVING min (im.id) -- This is how we select across a group -- (thus … hauppauge automatic lawn sprinklers