Ich habe 4 verschiedene Abfragen und jeder von ihnen gibt einzelne eindeutige Reihe von Ergebnissen zurück. Ich muss die Abfrageergebnisse mit einer einzigen Abfrage kombinieren.Kombinieren Sie mehrere Abfrageergebnisse in MySQL (nach Spalte)
meine Beispielabfragen sind:
1. select cls.* from (calls as cls inner join calls_users as clsusr on cls.id=clsusr.call_id) inner join users as usr on usr.id=cls.assigned_user_id where cls.assigned_user_id='seed_max_id'
2. select mtn.* from (meetings as mtn inner join meetings_users as mtnusr on mtn.id=mtnusr.meeting_id) inner join users as usr on usr.id=mtn.assigned_user_id where mtn.assigned_user_id='seed_max_id'
3. select tsk.* from tasks as tsk inner join users as usr on usr.id=tsk.assigned_user_id where tsk.assigned_user_id='seed_max_id'
4. select nts.* from (notes as nts inner join accounts as acnts on acnts.id=nts.parent_id) inner join users as usr on usr.id=acnts.assigned_user_id where acnts.assigned_user_id='seed_max_id'
ich die folgende Art und Weise versucht, aber es hat nicht funktioniert
Combine: SELECT tbl1.*, tbl2.*
from (select cls.* from (calls as cls inner join calls_users as clsusr on cls.id=clsusr.call_id) inner join users as usr on usr.id=cls.assigned_user_id where cls.assigned_user_id='seed_max_id') as tbl1
left outer join
(select mtn.* from (meetings as mtn inner join meetings_users as mtnusr on mtn.id=mtnusr.meeting_id) inner join users as usr on usr.id=mtn.assigned_user_id where mtn.assigned_user_id='seed_max_id') as tbl2
using(assigned_user_id)
ich versuchte auch rechte äußere Verknüpfung und andere innere Joins ich wirklich stecken bin Wenn jemand die Lösung kennt dann bitte helfen. Ich brauche das ähnliche Ergebnis wie How can I join two tables with different number of rows in MySQL?.
Datenabtastblock:
Von Abfrage 1:
+-------------------------------------------+------------------+-
| Call Name | Call Description |
+-------------------------------------------+------------------+-
| Discuss Review Process | NULL |
| Get More information on the proposed deal | NULL |
| Left a message | NULL |
| Discuss Review Process | NULL |
+-------------------------------------------+------------------+
Von Abfrage 2:
+-----------------------+-----------------------------------------------------------
| Meeting Name | Meeting Description
+-----------------------+-----------------------------------------------------------
| Review needs | Meeting to discuss project plan and hash out the details o
| Initial discussion | Meeting to discuss project plan and hash out the details o
| Demo | Meeting to discuss project plan and hash out the details o
| Discuss pricing | Meeting to discuss project plan and hash out the details o
| Review needs | Meeting to discuss project plan and hash out the details o
+-----------------------+-----------------------------------------------------------
i die Spalten wie folgt kombinieren müssen:
+-------------------------------------------+------------------+-------------------+-------------------+
| Call Name | Call Description |Meeting Name |Meeting Description|
+-------------------------------------------+------------------+-------------------+-------------------+
| Discuss Review Process | NULL |Review needs |Meeting to discuss |
| Get More information on the proposed deal | NULL |Initial discussion |Meeting to discuss |
| Left a message | NULL |Demo |Meeting to discuss |
| NULL | NULL |Discuss pricing |Meeting to discuss |
| NULL | NULL |Review needs |Meeting to discuss |
+-------------------------------------------+------------------+-------------------+-------------------+
Sie müssen beschreiben, wie die Tabellen aussehen, wie das Ergebnis aussehen soll und wie Sie die Daten kombinieren. – cletus
Ich muss wissen, gibt es eine Möglichkeit, dies zu tun? – Imrul