compare two tables in sql get differences row by row update table MSSQL code example

Example: sql difference between tables

-- Oracle

-- Example
SELECT * 
FROM Table1 -- the table containing extra records
  MINUS
  SELECT * 
  FROM Table2;

-- Syntax 
SELECT * 
FROM <table-1> -- the table containing extra records
  MINUS
  SELECT * 
  FROM <table-2>;