Josephine Bush has more than 10 years of experience as a database administrator. Her experience is extensive and broad-based, including experience in financial, business, and energy data systems using SQL Server, MySQL, Oracle, and PostgreSQL. She is a Microsoft Certified Solutions Expert: Data Management and Analytics. She holds a BS in Information Technology, an MBA in IT Management, and an MS in Data Analytics. She is the author of Learn SQL Database Programming. You can reach her on Twitter @hellosqlkitty.