create table project_dependency_resolutions (
  resolved ,
  unresolved ,
  steps 
);
comment on table project_dependency_resolutions is '
  Provides an ordered set of projects such that each set of projects is sure to have its dependencies resolved. ie. when upgrading projects, you can efficiently upgrade each set of projects in resolved togther.
';

comment on column project_dependency_resolutions.unresolved is '
  A list of projects that could not be resolved due to circular dependencies
';