Charles Kim is an Oracle ACE Director, Oracle Certified DBA, a Certified RAC Expert and Certified Exadata Implementation Specialist. Charles is also a VMware vExpert and a VMware Certified Professional. Charles specializes in complex data replication, Exadata, Virtualization and authored 10 books in the Oracle/Linux/Hadoop/High Availability space. Charles holds certifications in Oracle, VMware, Red Hat Linux and Microsoft, and has over 26 years of Oracle experience on mission and business critical databases. Charles presents regularly at local, regional, national, and international Oracle conferences including IOUG Collaborate, VMware World, and Oracle OpenWorld on topics of RAC, ASM, Linux Best Practices, Data Guard Best Practices, VMware virtualization, Oracle VMware virtualization, and 7×24 High Availability Considerations. Charles is the technical editor of the Automatic Storage Management book by Oracle Press and contributing author to the Database Cloud Storage: The Essential Guide to Oracle Automatic Storage Management book. Charles blogs regularly at http://blog.dbaexpert.com. Charles is the current President of the Cloud SIG for the Independent Oracle User Group (IOUG). Charles’s author page is located at: His linkedin profile is: chkim His twitter tag is: @racdba Jim Czuprynski has 35+ years of professional experience in his career in information technology, serving diverse roles at several Fortune 1000 companies before becoming an Oracle DBA in 2001. He was awarded the status of Oracle ACE Director in March 2014 and is a sought-after public speaker on Oracle Database technology features, presenting topics at Oracle OpenWorld, IOUG COLLABORATE, Hotsos Symposium, Oracle Technology Network ACE Tours, and Oracle User Group conferences around the world. Jim has authored over 100 articles focused on facets of Oracle Database administration to his credit since 2003 at databasejournal.com and ioug.org. He has also co-authored three books on Oracle database technology. His blog, Generally … helpilivewithmyitalianmotherinlaw.com It Depends contains his regular observations on all things Oracle.