When installing Oracle 12cR2 binaries there are 2 methods: Interactive instillation method using OUI Silent Instillation using Response File Here I am going to choose option 1 which using OUI GUI After installing the zip file from Oracle website, unzip it and run setup.exe file   Then choose “Next”:     Choose “Yes”   Here … Continue reading Upgrading Oracle database from 12cR1 to 12cR2 in Windows Environment