Hi @Yihui Bai
Do you want to use this import and export function: Import and Export Data with the SQL Server Import and Export Wizard?
Or do you want to backup and restore the database or generate script files?
Script objects in SQL Server Management Studio
If the answer is helpful, please click Accept Answer
and Up-Vote
for the same. If you have any questions, please feel free to let me know.
Best regards,
Aniya