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

please try with below query (SQL FIDDLE):

CREATE PROCEDURE update_records
AS
BEGIN
    INSERT INTO C(name, status)
    SELECT AB.name, AB.status FROM(
    SELECT (case when A.name is null then B.name else A.name end) as name,
       (CASE 
        WHEN A.name is null THEN 'newly added'
        WHEN B.name is null THEN 'removed'
     END) AS status
    FROM A
    FULL JOIN B on B.name = A.name
  ) as AB
  ORDER by AB.name

END