1. A computer-implemented method for more than one project owner of a project to share the same project schema, the method comprising: (a) providing a single project schema, the project schema having a plurality of objects and table structures which define the relationship between the objects, each of the objects having one or more attributes, each attribute having a value; (b) defining a plurality of project owners for the project schema, wherein a plurality of users of a project are associated with each project owner, and the users of the project and the project owners are different entities; (c) defining attribute values for each project owner of the project schema, wherein different project owners have one or more different attribute values while sharing the same project schema; and (d) storing the attribute values in association with the respective project owners so that upon selection of a defined project owner, the project schema associates the appropriate values to the attributes.