Linda Seley has been in IT since 1989. She started out as a mainframe programmer then switched to Oracle in 1994. She has developed custom applications and has installed and supported various tools. Through it all her main hat has been that of Database Administrator, supporting Oracle databases, from a legacy version 5 database to version 12.2. Linda has done the initial configuration and database migration for multiple Exadatas. Recently she's been focusing on security and security tools like Oracle's Advanced Security, Database Vault, Audit Vault and Database Firewall, and DBSAT.