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 Transact-SQL (2008)
 select query Inner join vs left join
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cplusplus
Aged Yak Warrior

567 Posts

Posted - 02/17/2013 :  13:47:11  Show Profile  Reply with Quote
I am making an inner join in etl job , first table has 7000 rows second table has 12000 rows.

because of inner join i am getting the result output exact 7000 rows, which is first table match count.

How can i get 12000 rows as my result can i just do left join, will it produce 12000 rows as my final result?

This is based on an ETL job, this one element is part of a bigger job which takes almost 7 hrs.

Just would like to have the details then will make the necessary changes.


Thanks a lot for the helpful info.

visakh16
Very Important crosS Applying yaK Herder

India
52326 Posts

Posted - 02/17/2013 :  14:06:42  Show Profile  Reply with Quote
you need to do a left join with bigger table on left side of the join to get 12000 rows

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/

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cplusplus
Aged Yak Warrior

567 Posts

Posted - 02/17/2013 :  14:28:08  Show Profile  Reply with Quote
Thks Visakh, you are an amazing guy
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visakh16
Very Important crosS Applying yaK Herder

India
52326 Posts

Posted - 02/17/2013 :  23:22:06  Show Profile  Reply with Quote
welcome

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http://visakhm.blogspot.com/

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