how to keep a hash value in the table column in rails

Question

i am very new to rails . I am having a table holding all users basic information like

users(id,name,email) now i am trying to keep some additional infor

Answer 1

As of MySQL 5.7.8 there is a support for a native JSON data type, so saving a hash is much more direct and can be searchable and more:
https://dev.mysql.com/doc/refman/5.7/en/json.html