union in musql code example
Example 1: mysql union
SELECT supplier_id, supplier_name
FROM suppliers
WHERE supplier_id <= 500
UNION
SELECT company_id, company_name
FROM companies
WHERE company_name = 'Apple'
ORDER BY 2;
Example 2: union in sql
UNION:
COMBINES THE RESULT OF 2 QUERY AND
REMOVES DUPLICATE ROWS AND
SORTS BY FIRST COLUMN