prim29013:What database field maps to the application screen information?

Primavera 4.1 – CD2:\EC\Documentation\[PMDBSchemaDocHtml.zip | MMDBSchemDocHtml.zip]
Primavera 5.0 – CD3 – Documenation:\Documentation\Documentation\Technical Documentation\Schema Docs\[PMDBSchemaDocHtml.zip | MMDBSchemDocHtml.zip]
Primavera 6.1 – CD3 – Documentation:\Documentation\English\Technical Documentation\Schema Docs - Download 6.1 Schema Here
Primavera 6.2 – P62_Documentation\<Select Language>\Technical Documentation\Schema Docs - Download 6.2 Schema Here

There is also data mapping documentation:

Primavera 4.1 – CD2:\[EC|IT|MT|NP]\Documentation
Primavera 5.0 – CD3 – Documenation CD:\Documentation\Documentation\Technical Documentation\Data Mapping Docs
Primavera 6.1 – CD3 – Documentation CD:\Documentation\English\Technical Documentation\Data Mapping Docs
Primavera 6.2 – P62_Documentation\<Select Language>\Technical Documentation\Data Mapping Docs

The 5.0 XER data mapping documents are:

XERprojects.pdf
XERresources.pdf
XERroles.pdf