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Showing posts with label Left outer join. Show all posts
Showing posts with label Left outer join. Show all posts
Dec 21, 2011

NOT IN / NOT EXISTS

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  It is recommend to use NOT EXIST instead of NOT IN ; do you know/thought  why ?  ! . You dont see any differences here because the ...
Nov 20, 2011

Outer Join tends to Complex

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  Left outer join retreives all rows in the table1 which is left table ;even if there is no match with table2.   Right outer join retreiv...
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