which is best for JOIN approach
Posted by:
Ra Nala
Date: November 24, 2015 09:39AM
Hi All,
Please suggest me what is the best JOIN approach in below scenarios.. which one is best for performance issues avoiding ?
select
a.id ,...
from inform a
left join (infmrq b join contact ec on b.id=ec.id) on b.id=a.id
OR
select
a.id ,...
from inform a
left join infmrq b on b.id=a.id
left join contact ec on b.id=ec.id
Thank you
Subject
Views
Written By
Posted
which is best for JOIN approach
2064
November 24, 2015 09:39AM
1246
November 25, 2015 02:14AM
1244
November 25, 2015 02:42AM
1299
November 29, 2015 11:53AM
1153
February 19, 2016 05:28AM
1121
February 21, 2016 04:56PM
1200
February 19, 2016 05:31AM
1089
February 21, 2016 01:40PM
1126
February 21, 2016 01:43PM
1134
February 25, 2016 05:50AM
Sorry, you can't reply to this topic. It has been closed.
Content reproduced on this site is the property of the respective copyright holders.
It is not reviewed in advance by Oracle and does not necessarily represent the opinion
of Oracle or any other party.