r
ronghuang317

Ron D

@ronghuang317

SecondLine Engineer

China
Englisch, Chinesisch
Einige Informationen werden in englischer Sprache angezeigt.
Über mich
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.... Mehr lesen

Kompetenzen

r
ronghuang317
Ron D
offline • 
Durchschnittliche Antwortzeit: 1 Stunde

Meine Dienstleistungen

Datenbankadministrator
I will provide professional database administration, performance tuning
Ab50 $ / ProjektWeitere Details

Portfolio

Arbeitserfahrung

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