Adjust the precision of DATETIME fields to milliseconds in the MySQL schema.

[Bo-Qiu]

Is your feature request related to a problem? Please describe. Adjust the precision of DATETIME fields to milliseconds in the MySQL schema.

Describe the solution you'd like Adjust the precision of DATETIME fields to milliseconds in the MySQL schema.

Describe alternatives you've considered Adjust the precision of DATETIME fields to milliseconds in the MySQL schema.