Nickname Xifenfei, engaged in Oracle database technical support for more than 15 years.First worked in a well-known domestic database tripartite service company, providing Oracle East China regional technical support;Then worked as a senior consultant in Oracle ACS , providing Oracle customer senior after-sales technical support;Now Oracle freelance consultant , for customers who require Oracle technical support.Core member of China Oracle User Group (ACOUG) and Shanghai Oracle User Group (SHOUG).Good at abnormal recovery in various scenarios of Oracle database, familiar with Oracle tuning, troubleshooting, implementation, etc.He is keen on the research and sharing of Oracle technology, and insists on sharing Oracle knowledge through technology BLOG for a long time.