Q: Mechanism after data is successfully added to sql

the reference answer GPT ᴼ ᴾ ᴱ ᴺ ᴬ ᴵ < br / > normally, when the SQL executed successfully a add data operation, the database will be automatically for the new data is assigned a unique ID(such as on the ID). This ID is usually returned to your code as a SQL return value or by some other means(such as a trigger or stored procedure), and you can update the ID into your object in your code.

In some cases, such as with the ORM framework or other database access tools, this ID update may be done automatically by the framework or tool without requiring you to explicitly update in the code.

If you don't know enough about your application's database operations, you can keep asking me