Showing current date and time in YYYY-MM-DD HH:SS:MM and YYYYMMDDHHSSMM.uuuuuu format respectively using MySQL:

Current datetime in YYYY-MM-DD HH:SS:MM format	Current datetime before an hour in YYYY-MM-DD HH:SS:MM format
2024-04-19 10:31:46	2024-04-19 09:31:46