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Database virtualization allows the same datafiles to be shared by multiple clones allowing almost instantaneous creation of new copies of databases with almost no disk footprint. Along with storage efficiency database virtualization allows agile management of database copies. The data agility eliminates bottlenecks in development by removing wait time for creating database environments, allows each developer to have their own full copy of the database and providing QA and UAT with immediate copies of the development environments for testing. This presentation will compare and contrast different types of databasevirtualization from Oracle 11 CloneDB, Oracle 12c Snap Clones, 12c Snapshot Manager Utility, Oracle ZFS Appliance, Delphix Appliance, VMware Data Director, NetApp Snap Manager for Oracle and EMC. How does database virtualization work? What are the advantages and disadvantages of different approaches.
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