Targets database administration & enterprise systems jobs
Target roles: Oracle DBA, SQL Developer, Database Support Engineer
DB instance & database, memory structures (SGA/PGA), processes, storage, listener & networking, installation.
DDL/DML/DCL/TCL, Joins, Indexes, Views; PL/SQL blocks, procedures, functions, packages, triggers.
Users, roles, profiles, resource limits, privileges; policies for enterprises & audits.
RMAN configs, full & incremental backups, restore, point‑in‑time recovery, disaster drills.
Explain plan, indexing strategies, AWR/ASH overview, common bottlenecks & fixes.
Hardening, encryption basics, auditing, patching routines, compliance checklist.
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