1. Create same database(database_name-thera_dev) both rails application in mysql and pg
2. Import sql file in mysql rails application.
3. then run this command for pg rails application .
"
pgloader mysql://root:root@127.0.0.1/DATABASE_NAME_SAME postgresql://root:root@127.0.0.1/DATABASE_NAME_SAME
"
4. then Export pg dupm file---this command run pg application
pg_dump -U root DATABASE_NAME_SAME > sql_file_name.sql
