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
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