FORMAT() 函式用於以下格式格式化數位X:###,###,###。##截斷為D位小數。下面的例子演示Format()函式的使用和輸出:
mysql>SELECT FORMAT(423423234.65434453,2); +---------------------------------------------------------+ | FORMAT(423423234.65434453,2) | +---------------------------------------------------------+ | 423,423,234.65 | +---------------------------------------------------------+ 1 row in set (0.00 sec)