Data Migration Tool was used to migrate our Magento store from 126.96.36.199 to Magento 2.3.3 successfully. Upon inspection of the Magento 2 DB, I found out the custom tables weren't migrated which are 6 of them. Is there still a possibility of Data Migration Tool being used again to migrate these custom tables? Or is exporting and importing them a better approach?
I am not sure but It cannot done via Data migration as per as my idea.
I only for suggest
create all 3column data on a another table from Magento.
After data-migration,copy data from that table to using MYSQL
Table 1: id, name
Table 2: name, description
More Information refer this :-