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Alberto Shum is a Senior Database Administrator at Chiquita, with extensive experience in Oracle Exadata, database migration to 19c, and administration of Oracle RAC databases. Shum possesses basic expertise in Oracle Cloud Infrastructure and has a strong foundation in the administration of various operating systems including Windows, Solaris, AIX, Red Hat, and Oracle Linux. Previous roles include Senior Project Leader in Database and earlier positions at Instituto Tecnologico de Costa Rica, where responsibilities included SyBase and MS-SQL server administration and managing a student computer laboratory. Alberto's educational background includes multiple Oracle certifications, enhancing skills in SQL tuning, PL/SQL programming, and database administration.