Compare two tables and insert all records with added or removed status in 3rd table using SQL Server procedure

Question

I have table A and table B . I have to compare this tables records and insert data to table C using SQL Server procedure in below format

table A

  name
          


        

Answer 1

You could try using a some union and left join

select  A.name, case when is null t1.name then 'newly addedd' end 
from A 
left  JOIN  (
  select  A.name from A 
  union B.name from B
) t1 

union 
select  B.name, case when is null t1.name then 'delete' end 
from B
left  JOIN  (
  select  A.name from A 
  union B.name from B
) t1