Check the SQL mode "sql_mode"
To check the value of SQL mode "sql_mode", check the global variable "sql_mode".
select @@GLOBAL.sql_mode;
This is an example of the output SQL mode.
STRICT_TRANS_TABLES, ERROR_FOR_DIVISION_BY_ZERO, NO_AUTO_CREATE_USER, NO_ENGINE_SUBSTITUTION
Please also refer to the following articles regarding the SQL mode "sql_mode".