15+ years working as Database Administrator using Oracle 9i, 10gR1, 10gR2, 11gR1, 11gR2, 12c (AIX, Linux, Windows, Solaris), Willian is know as the good guy that helps everybody and constantly solve mysterious Oracle cases on his own way.
Willian has a strong background in Oracle RAC, SQLTuning, OS stuff and OLTP systems.