DATETIME CURRENT_TIMESTAMP()
Get the current time and return it in Datetime type
mysql> select current_timestamp(); +---------------------+ | current_timestamp() | +---------------------+ | 2019-05-27 15:59:33 | +---------------------+
DATETIMEV2 NOW(INT precision)
Get the current time and return it in DatetimeV2 type. Precision represents the second precision that the user wants. The current precision supports up to microseconds, that is, the value range of precision is [0, 6].
mysql> select current_timestamp(3); +-------------------------+ | current_timestamp(3) | +-------------------------+ | 2022-09-06 16:18:00.922 | +-------------------------+
Note:
CURRENT_TIMESTAMP,CURRENT,TIMESTAMP