Need clarifications - logical DB

hi,

1.User wants to create his own query on the employee personal data and their qualification, will he create infosets using PAP or PCH or PNPCE

2.Advantage of PNPCE instead of PNP

a. User can report on global employee info

b. All master and planning data infotype can be reported

c. Cost planning info can be reported

d. All master and planning related to planning organization can be reported

regards,

vijay