The problem is you need to set the enquiryId before save it in to database. This required as you have used mappedBy attribute. What you need to do is.
You can set the fetch type as LAZY on your equity data list and then write a named query and fetch only today's equity data. Since you are using Hibernate, you can achieve this using the Criteria API as well.
You can set a criteria to fetch the latest quote from the database like.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.