Home Database Oracle Zero Downtime Migration Release 21.5 Zero Downtime Migration 21.5 Books Browse the Zero Downtime Migration 21.5 library below for a particular title, or download a zip file containing all of the books. Move to Oracle Cloud Using Zero Downtime Migration HTML PDF Move your Oracle Database from on-premises or Oracle Cloud Infrastructure Classic to Oracle Cloud Services using Zero Downtime Migration. Oracle Zero Downtime Migration Licensing Information User Manual HTML PDF 3rd party licensing information for Oracle Zero Downtime Migration Oracle Zero Downtime Migration Release Notes HTML PDF Release Notes for Oracle Zero Downtime Migration Release 21c (21.5)