how to do a data compare in sql compare two tables code example
Example 1: 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>;
Example 2: sql compare data from two tables
select * from tableA
minus
select * from tableB