r
ronghuang317

Ron D

@ronghuang317

SecondLine Engineer

Cina
Inglese, Cinese
Alcune informazioni sono riportate in lingua inglese.
Chi sono
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.... Continua a leggere

Competenze

r
ronghuang317
Ron D
offline • 
Tempo di risposta medio: 1 ora

Consulta i miei servizi

Amministrazione database (DBA)
I will provide professional database administration, performance tuning
A partire da50 USD / progettoMaggiori dettagli

Portfolio

Esperienza lavorativa

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