Methods are provided for creating a complex user interface using a generic computer readable database software application to manage only a specific data subset domain of the database in accordance with a work package. The method comprises creating metadata defining a data subset domain, the metadata including a task specification, a report specification and a view specification and defining attribute metadata, entity metadata and relationship metadata for the data subset domain. The method also comprises data package specification for the data subset domain, specifying a data package hierarchy within the data subset domain, specifying user groups for the data subset domain, specifying view specifications for the user groups. Further the view specification is associated with the task specification and the report specification after which the generic software application is released to a user.