Question

I have two tables. The data in those are something like below:

Table 1:

Col1      Col2
----------------
A          A1
A          A2
A          A3
B          B1
B          B2
B          B3

Table 2:

Col1        Col2
------------------
A            A1
A            A4
A            A5
B            B1
B            B4
B            B5

I need to bring out the difference in data in Col2 of two tables based on the values in Col1. The output should look something like below:

Output:

Col    MismatchValuesInTable1     Mismatchvaluesintable2
---------------------------------------------------------
A               A2                       A4
                A3                       A5
B               B2                       B4
                B3                       B5

Please help me with a query to achieve the above.

Answer 1

select isnull(t1.Col1,t2.Col2) as Col,
  t1.Col2 as MismatchValuesInTable1, 
  t2.Col2 as MismatchValuesInTable2

from t1
FULL JOIN t2 on (t1.Col1=T2.Col1) and (t1.Col2=t2.Col2)
where t1.Col2 is null or t2.Col2 is null
order by Col

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