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SELF JOIN IN SQL

let's say we have a single column table id 2 a b D null if we do self join or inner join to same table what will be the output? is null considered or not?

1st Nov 2020, 9:49 AM
jaswanth nelam
jaswanth nelam - avatar
2 ответов
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I've gone through that bro but my question is what will be the output if on of the values is null
8th Nov 2020, 3:35 AM
jaswanth nelam
jaswanth nelam - avatar
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hey thanks man!
8th Nov 2020, 3:47 AM
jaswanth nelam
jaswanth nelam - avatar