Marsel Bourla

Background

About Marsel Bourla

25+ years of IT experience. 20+ years of an intensive, hands-on Oracle DBA experience. Oracle Certified Professional DBA since DBA Team Lead and manager since 2008. Database configuration and tuning – In-depth knowledge and understanding of internal structures and processes. Experience in different database configurations (single instance, RAC, RAC One Node), storage solutions (raw devices, file systems, ASM), and operations systems (AIX, Linux). Database backup and recovery through RMAN - expert in design, development, and deployment of backup and recovery solutions based on different strategies such as backup sets, image copies with roll-forward recovery, flashback database, etc. Performance tuning – Vast experience in application performance tuning through database, data model, and SQL optimizations. In-depth understanding of cost-based optimization, execution plans analysis, tuning, and stabilization. Partitioning and compression for large databases – Expert in large data sets management through Oracle's partitioning and compression capabilities Disaster recovery through Data Guard standby databases – Expert in design, development, and deployment of disaster recovery solutions through physical and logical standby databases. Data transfer and replication – Expert in data replication using Data Pump export/import, transportable tablespaces, materialized views, etc. Shell scripting – Highly proficient in automation and optimization of database maintenance and monitoring procedures using shell scripts. Software development cycle – More than 20 years of R&D experience in software development and software life cycle.