ClassDiagram
education and career
education_id: String
rid: Integer
education level: String
education_filed: String
insertion()
update()
personal_info
personal_id: Integer
rid: Integer
photograph: undefined
blood_group: String
add()
update()
user_info
info_id: String
rid: Integer
first_name: String
last_name: String
age: Integer
family_info
family_info_id: String
rid: Integer
family_status: String
family_type: String
father_name: String
add()
update()
registration
rid: Integer
username: String
password: String
email_id: String
insertion()
message
mesage_id: Integer
form_username: String
to_username: String
message: String
insertion()