SQL MICROSECOND()函數

MICROSECOND(expr)

返回從時間或日期時間表達式expr的微秒,範圍從0到999999的數字。

mysql> SELECT MICROSECOND('12:00:00.123456'); +---------------------------------------------------------+ | MICROSECOND('12:00:00.123456') | +---------------------------------------------------------+ | 123456 | +---------------------------------------------------------+ 1 row in set (0.00 sec)

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