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.
Oracle Certified Expert, Oracle Database 12c: RAC and Grid Infrastructure Administrator
Oracle Database 11g Performance Tuning Certified Expert
Oracle Database 12c Administrator Certified Professional
Oracle Database 11g Administrator Certified Associate
Oracle Database SQL Certified Expert
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