Mysql:insert date:sql error [1292] [22001]: data truncation: incorrect date value:

  operation ：insert into table_test values (2021-01-01,9999-01-01)

problem ： The field type is date, Also confirmed mysql Of date The format is ： year - month - Japan

reason ： I guess it's the default input method at the bottom

Solution ： Change it to insert into table_test values (20210101,99990101)

Query results ：2021-01-01 9999-01-01

Data insertion successful , Look forward to the explanation of the source code God

alike ：datetime You also need to input continuously without symbols , for example ：20210102122525