Database Administration

Oracle SQL & PL/SQL

Ability to write, troubleshoot, and optimize SQL and PL/SQL code

Oracle Architecture Knowledge

Familiarity with Oracle's memory structures (SGA, PGA), processes (SMON, PMON, DBWn), and the relationship between physical and logical database components.

Oracle Enterprise Manager (OEM)

Mastery of this tool for monitoring and managing Oracle databases.

Backup & Recovery

Proficiency in Oracle Recovery Manager (RMAN) for database backup, recovery, and cloning

High Availability Solutions

Expertise in implementing and managing Oracle Data Guard and Real Application Clusters (RAC).

Problem Solving

Ability to quickly diagnose and resolve unexpected issues, often under pressure.

Licensing

Understanding Oracle's licensing rules and ensuring compliance

Patch & Upgrade

Ability to apply Oracle patches and perform database version upgrades. 

Documentation & Best Practices

Documenting configurations, changes, and standard operating procedures.

Storage & Capacity Planning

Understanding of Automatic Storage Management (ASM).

Managing tablespaces, data files, and segments.