How does mysqldate insert null

Mysql date insert null method: first connect to the MySQL server; then use the use keyword to complete the database selection operation; finally insert a NULL into the date data type, the code is [insert into user (time) values ​​( null)].

3. Create a simple table, where the date time format supports NULL assignment, example:

create table user(
 id int(10) auto_increment primary key,
 time date);

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