Piotr Kosinski@piotrkosinski191* Solved over 100 SQL and over 200 Java Katas Follow BadgesProblem SolvingJavaDays of CodeSql CertificationsCertificate: SQL (Basic)VerifiedskillWork Experiencepiotrkosinski191 has not updated employment details yet.Educationpiotrkosinski191 has not updated education details yet.LinksGithubhttps://github.com/piotrkosinski1992 Skillspiotrkosinski191 has not updated skills details yet.