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Some of us while writing an SQL select statement with a join between two tables or more
may get confused with whether to add a certain condition to the "ON" clause of the join or
just add it to the "WHERE" clause as if it is just a filtering condition. Some people may think
that both approaches will return the same results every time. This is not completely true.
Yes in some cases both approaches will return the same results but in other cases they
won't. If you want to know more, you can read this article.
[Development Simply Put] The Difference
Between SQL Join Conditions Into "ON" And
"WHERE" Clauses
"If you can't explain it simply, you don't understand it well
enough" -Albert Einstein
I am "Ahmed Tarek" the owner and author of the "Development Simply Put" blog. During my career
days and day after day I got more confident that it's all about sharing not the title you have. I believe
that everyone has something to share whatever small he thinks of it. Sometimes a great idea comes
out of just a tiny idea and the same for knowledge. I always try to gain knowledge and learn new skills
and I found that the best way to learn is to try to teach what you already know. This makes you think
of the best simplest way to explain complex logic which makes you spot some points may be even
yourself didn't recognize in the first time.
The greatest thing in the human mind is that it carries out too complicated operations and finally
presents it into a simple form, so why do we always try to re-complicate things? This is what
encouraged me to start my blog -Development Simply Put
(http://developmentsimplyput.blogspot.com)- trying to do my best to simplify main concepts in IT
development and share my humble knowledge in this field.
Why?
"If you can't explain it simply, you don't understand it well
enough" -Albert Einstein
Blog Link: http://developmentsimplyput.blogspot.com
Facebook Page: https://www.facebook.com/DevelopmentSimplyPut
Google+ Page: https://plus.google.com/115238148611061640682
LinkedIn Group: http://www.linkedin.com/groups/Development-Simply-Put-5024295
RSS 2.0 Feed: http://developmentsimplyput.blogspot.com/feeds/posts/default?alt=rss
Atom 1.0 Feed: http://developmentsimplyput.blogspot.com/feeds/posts/default
Android RSS App: http://www.appsgeyser.com/336849
Follow Link: http://www.blogger.com/follow-blog.g?blogID=852966703260024356
Random Post: http://developmentsimplyput.blogspot.com/?random
Links
"If you can't explain it simply, you don't understand it well
enough" -Albert Einstein
1. Comment & provide feedback (liked, hated, good, bad, missing, ......)
2. Answer the blog survey (http://www.quibblo.com/quiz/idVKX2u/Development-Simply-Put-
Blog-Survey)
3. Follow (http://www.blogger.com/follow-blog.g?blogID=852966703260024356)
4. Subscribe (http://developmentsimplyput.blogspot.com/feeds/posts/default?alt=rss)
5. Share blog links
6. Invite friends whom you think will be interested
Want To Offer Help?
"If you can't explain it simply, you don't understand it well
enough" -Albert Einstein
My Resume:
LinkedIn: http://www.linkedin.com/in/atarekhasan
Yatedo: http://www.yatedo.com/atarekhasan
Zerply: http://zerply.com/ahmed-tarek-hasan/public
Stackoverflow: http://stackoverflow.com/users/1284593/ahmed-tarek-hasan
My Social Accounts:
Facebook: https://www.facebook.com/ahmed.t.hasan
Google+: https://plus.google.com/u/0/117461717174836938716
Twitter: https://twitter.com/AhmedTarekHasa1
StumbleUpon: http://www.stumbleupon.com/stumbler/AhmedTarekHasan/likes
Pinterest: http://pinterest.com/ahmedtarekhasan
About Me
"If you can't explain it simply, you don't understand it well
enough" -Albert Einstein

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[Development Simply Put] The Difference Between SQL Join Conditions Into ON And WHERE Clauses

  • 1.
  • 4. Some of us while writing an SQL select statement with a join between two tables or more may get confused with whether to add a certain condition to the "ON" clause of the join or just add it to the "WHERE" clause as if it is just a filtering condition. Some people may think that both approaches will return the same results every time. This is not completely true. Yes in some cases both approaches will return the same results but in other cases they won't. If you want to know more, you can read this article. [Development Simply Put] The Difference Between SQL Join Conditions Into "ON" And "WHERE" Clauses "If you can't explain it simply, you don't understand it well enough" -Albert Einstein
  • 5.
  • 6. I am "Ahmed Tarek" the owner and author of the "Development Simply Put" blog. During my career days and day after day I got more confident that it's all about sharing not the title you have. I believe that everyone has something to share whatever small he thinks of it. Sometimes a great idea comes out of just a tiny idea and the same for knowledge. I always try to gain knowledge and learn new skills and I found that the best way to learn is to try to teach what you already know. This makes you think of the best simplest way to explain complex logic which makes you spot some points may be even yourself didn't recognize in the first time. The greatest thing in the human mind is that it carries out too complicated operations and finally presents it into a simple form, so why do we always try to re-complicate things? This is what encouraged me to start my blog -Development Simply Put (http://developmentsimplyput.blogspot.com)- trying to do my best to simplify main concepts in IT development and share my humble knowledge in this field. Why? "If you can't explain it simply, you don't understand it well enough" -Albert Einstein
  • 7. Blog Link: http://developmentsimplyput.blogspot.com Facebook Page: https://www.facebook.com/DevelopmentSimplyPut Google+ Page: https://plus.google.com/115238148611061640682 LinkedIn Group: http://www.linkedin.com/groups/Development-Simply-Put-5024295 RSS 2.0 Feed: http://developmentsimplyput.blogspot.com/feeds/posts/default?alt=rss Atom 1.0 Feed: http://developmentsimplyput.blogspot.com/feeds/posts/default Android RSS App: http://www.appsgeyser.com/336849 Follow Link: http://www.blogger.com/follow-blog.g?blogID=852966703260024356 Random Post: http://developmentsimplyput.blogspot.com/?random Links "If you can't explain it simply, you don't understand it well enough" -Albert Einstein
  • 8. 1. Comment & provide feedback (liked, hated, good, bad, missing, ......) 2. Answer the blog survey (http://www.quibblo.com/quiz/idVKX2u/Development-Simply-Put- Blog-Survey) 3. Follow (http://www.blogger.com/follow-blog.g?blogID=852966703260024356) 4. Subscribe (http://developmentsimplyput.blogspot.com/feeds/posts/default?alt=rss) 5. Share blog links 6. Invite friends whom you think will be interested Want To Offer Help? "If you can't explain it simply, you don't understand it well enough" -Albert Einstein
  • 9. My Resume: LinkedIn: http://www.linkedin.com/in/atarekhasan Yatedo: http://www.yatedo.com/atarekhasan Zerply: http://zerply.com/ahmed-tarek-hasan/public Stackoverflow: http://stackoverflow.com/users/1284593/ahmed-tarek-hasan My Social Accounts: Facebook: https://www.facebook.com/ahmed.t.hasan Google+: https://plus.google.com/u/0/117461717174836938716 Twitter: https://twitter.com/AhmedTarekHasa1 StumbleUpon: http://www.stumbleupon.com/stumbler/AhmedTarekHasan/likes Pinterest: http://pinterest.com/ahmedtarekhasan About Me "If you can't explain it simply, you don't understand it well enough" -Albert Einstein