Josephine Bush has over 10 years of experience as a Database Administrator. Her experience is extensive and broad-based, including 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 published by Packt in May 2020. She blogs on sqlkitty.com and you can reach her on Twitter @hellosqlkitty.