You are developing the MyApp application that has a table, Table A. When the MyApp application is installed on an instance, you want Table A's records to be installed as part of the application.
Table A's records will be installed when:
The system can export selected records as application files that are included as part of the application update set when you share it. Including application files in an update set is not intended for the export and import of large numbers of records between instances.
https://www.servicenow.com/docs/bundle/xanadu-application-development/page/build/applications/task/t_IncludeApplicationData.html