We are upgrading/migrating our application from 7.3.1 to 8.8. We have following questions on adaptive model learning:

1. If class structure is not changed then simple migration of  PR_DATA_DM_ADMMART_MDL_FACT table and other OOTB ADM tables is enough to retain old learnings?

2. If class structure is changed , what is best way to extract model data from 7.3.1 and train the models in 8.8?

Any suggestion/recommendation will be really helpful.

Thanks,

Teja Priya