The IT Days are the annual conference of the trade magazine Informatik Aktuell. As the only IT conference in the DACH region, the IT Days offer the entire spectrum of developer, architecture and management topics: From Architecture & Design, Microservices, IT Security, Data Access and Storage, Apache Kafka, Kubernetes, Requirements Engineering, IT Leadership, Performance and Optimization to Application Development with Java, Kotlin, Phython, Dotnet and App Environments, Analysis & Optimization, UX Design, Test and Quality, Design Patterns and Clean Code as well as Systems Integration. Across all topic tracks, current developer topics such as Agile, DevOps, Cloud, Kubernetes & Serverless, Data Streaming, Continuous Integration, Microservices, Containerization and Industry 4.0 - as well as emerging and forward-looking topics such as Robotic, AI and Machine Learning or Blockchain - play an important role. Database topics have always been an integral part of the IT Days. The focus here will also be on a vendor-independent range of current database technologies: Oracle DB, MS SQL Server, MariaDB/MySQL, PostgreSQL, Hadoop and Big Data, NoSQL databases - the IT Days look at the great variety and possibilities.