Jiawei Shi is a Database Specialist, Hangzhou Meichuang Technology Co., Ltd. Oracle team leader, department manager. Engaged in Oracle database technical support for more than 10 years. Services include more than 300 customers and 5000+ databases.

Expert in trouble shooting,large database migration, database disaster recovery, performance tuning etc.
Certified by Oracle 11g OCP，12c OCP/OCM. ITPUB Columnist.
His Blog is http://blog.itpub.net/23825935 and https://blog.sina.com.cn/u/1929988847.