Question

This is below data in Table2

ID2        |    Count2
-----------+-----------
1345653         5
534140349       5
682527813       4
687612723       3
704318001       5

This is my below data in Table1

ID1        |    Count1
-----------+-----------
1345653         4
704318001       4

If you see the above table this 1345653 in Table2 has 5 count but in Table1 it has 4 count, In the same way this ID 704318001 in Table2 has 5 count but in Table1 it has 4 count. So I need to show like this in the Output.

ID              Count2   Count1
-----------------------------------
1345653         5        4
534140349       5        0
682527813       4        0
687612723       3        0
704318001       5        4

Is this possible in sql? If Yes, how can I achieve that?

Answer 1

SQL 101

select id2, count2, coalesce(count1, 0) as count1
  from table2
  left outer join table1
    on id1=id2