User ID (UUID) (pri key) | email-address (VARCHAR) (unique) | Name (varchar something) | Free Will (BOOL) | CV (Text)
Empty CV is not allowed.
// CV
// User.ID (UUID, pri key, unique) | CV (Textfield)
Corporation ID (UUID) | Name (VARCHAR) | Description (VARCHAR)
Subscriber User.ID (UUID) | Corporation.ID (UUID) Unique constraint( User.ID,Corporation.ID)
FormMail ID (pri key) | Corporation.ID | Text (templated, text)
Log ID (pri key) | Date (date) | Name(Copy of User.Name, Varchar) | Email (Copy of User.Email, Varchar) | Status | FormMail.ID