Oracle Database 19c Administration Workshop Student Guide Pdf Updated

Before you spend hours studying, verify the document’s metadata:

| Criteria | Outdated (Pre-2023) | Updated (2025/2026) | |----------|----------------------|----------------------| | Copyright year | 2019, 2020, 2021 | 2025 or 2026 | | Cover page version | “Edition 1.0” or “2.0” | “Edition 5.0” or “Edition 6.0” | | Multitenant section | References “CDB$ROOT” but missing “Application containers” | Includes “Application PDBs” and “Proxy PDBs” | | SQL Worksheet references | Suggests SQL Developer 19.1 | Shows SQL Developer 23.1+ with dark mode and reporting features | | Backup chapter | Uses legacy BACKUP DATABASE script limited | Includes BACKUP PLUGGABLE DATABASE syntax and multi-section backups |

| Feature | Benefit | |---------|---------| | Zero-downtime PDB relocation | Move PDB between CDBs without unplug/plug | | Automatic indexing | AI-managed indexes (reduce manual tuning) | | JSON data type | Native JSON storage with Oracle-style SQL | | PDB snapshot Carousel | Rollback entire PDB in seconds | | Database Vault for PDB | Isolate PDB admin from CDB admin | Before you spend hours studying, verify the document’s

SELECT job_name, state, run_duration 
FROM dba_scheduler_running_jobs;

| Mode | Waits for Current Txns | Requires Checkpoint | |-------|------------------------|----------------------| | SHUTDOWN ABORT | No | No (requires recovery) | | SHUTDOWN IMMEDIATE | No (rollback) | Yes | | SHUTDOWN TRANSACTIONAL | Yes | Yes |

💡 Best Practice: Never use SHUTDOWN ABORT unless emergency – it forces instance recovery at next startup. | Mode | Waits for Current Txns |

While detailed backup strategies are often a separate course, the 19c Administration Workshop guide introduces:

Learning Objective: Visualize the memory and process structures behind a running 19c database. run_duration FROM dba_scheduler_running_jobs

Objective: Identify top wait events and SQL statements.