how to limit top 3 code example

Example 1: sql limit to 5 results

SELECT expressions
FROM tables
[WHERE conditions]
[ORDER BY expression [ ASC | DESC ]]
LIMIT number_rows [ OFFSET offset_value ];

Example 2: rownum in sql

SELECT ROWNUM, a.*
FROM (SELECT customers.*
      FROM customers
      WHERE customer_id > 4500
      ORDER BY last_name) a;