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comparing 2 tables columns if they match or not?


comparing 2 tables columns if they match or not?

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jampa_satish
jampa_satish
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check if any records match
if match ---rec match/not match

when used full outer join both tables

no name ph
1 X 0
2 Y 1
3 Z 2
4 A 3

no name ph
1 X 0
2 c 6
3 m 9
4 A 5

no name ph result
1 X 0 null--------------------------why im getting nul when there are records?
2 c 6 rec found
3 m 9 rec found
4 A 5 null------------------------why im getting nul when there are records?
5 Y 1 rec found
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Duplicate post. Reply here.

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