Two tables a and b with id as their attribute same for both the tables and the values were a(id):1,1, null,null,2 b(id):1,1, null, 2,3
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Comparison of two tables with id attribute and null values.
Both tables have the same id attribute.
Table a has null values for the third and fourth rows.
Table b has a null value for the third row and a...read more
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