Database Eurostat. A Database' title='A Database' />A Database Snapshot Cannot Be Created Because It Failed To StartDatabase Perfect World. PWDatabase Version 0. Contact us here. Created using PW Sirens of war Version 1. Qt 4.6.2. Build 2305 Perfect World developed by Beijing. PIR is a nonredundant annotated protein sequence database, and analytical tools, maintained by collaboration of MIPS, in Munich and the Japanese International.