Ana Voicu is a software developer passionate about databases, Business Intelligence, and data science. She works on developing enterprise level Business Intelligence solutions for various types of industries, with a focus on performance optimization, pattern recognition, efficient analysis of the business processes, and interactive visualizations. What Ana loves most is overcoming challenges related to database performance, mostly related to data warehouse solutions. Ana discovered a while ago that she loves sharing with others all of what she knows and learns. You can find her two cents on Twitter (@sqlbythebook) or on her blog, www.sqlbythebook.com