Sergey Gigoyan is a database professional (MCSE: Data Platform, MCITP, OCP) with more than 6 years of experience, with a focus on database design and development, performance tuning and optimization, high availability solutions, BI development and DW design. He has worked with SQL Server 2000/2005/2008/2012/2014, Oracle, PostgreSQL databases. He has designed and developed database and DW systems for banking, trading, financial and sales areas. He is now working at Oracle Armenia as a Principal Database Developer. He is continuously developing his professional skills to keep pace with new technologies.