Leyi (Kamus) Zhang

Beijing City, China China

Vice General Manager at Yunhe Enmo

Database Administrator, and Team Manager in a wide variety of business applications. Specialist on Oracle database. Always interested in database design, high available architecture, disaster recovery technology. Specialties: * Chinese translation work organiser of "Expert Oracle RAC 12c" * Chinese translator of "Expert Oracle Exadata" * Oracle Exadata 11g Certified Implementation Specialist * Oracle ACE Director from 2011 * Oracle ACE from 2007 * Familiar with Oracle database 8i/9i/10g/11g/12c * Performance tuning for Oracle database * HA (RAC, Dataguard, Advanced Replication) solution consultant for Oracle database * Security solution for Oracle based application