r
ronghuang317

Ron D

@ronghuang317

SecondLine Engineer

China
Inglês, Chinês
Algumas informações são exibidas no idioma inglês.
Sobre mim
I am a database engineer with 17 years of experience. I am proficient in Oracle, MySQL, and PostgreSQL databases, and have extensive experience in database training and on-site technical support.... Saiba mais

Habilidades

r
ronghuang317
Ron D
offline • 
Tempo médio de resposta: 1 hora

Conheça meus serviços

Administração de Banco de Dados (DBA)
I will provide professional database administration, performance tuning
A partir deUS$ 50 /projetoMais detalhes

Portfólio

Experiência profissional

Lenovo

Oracle DBA

Lenovo

Dec 2008 - Dec 2022 • 14 yrs

My Oracle DBA Services Include: ✅ Full Lifecycle Management: Installation, configuration, patching, upgrades, and routine maintenance for Oracle 11g/12c/19c/21c ✅ Performance Tuning: Slow query optimization, index tuning, and bottleneck resolution to boost database speed and efficiency ✅ Backup & Disaster Recovery: RMAN backup setup, Data Guard configuration, and disaster recovery planning to protect your critical data ✅ Database Migration & Upgrades: Seamless, zero-downtime migration between Oracle versions, platforms, and cloud environments ✅ Security & Compliance: User permission management, security hardening, and compliance with industry data protection standards ✅ 24/7 Emergency Support: Rapid troubleshooting for outages, performance issues, and critical database incidents