Exam Memo

11 Categories
Quick Reference for Oracle Database 23ai Exam (1Z0-182)

This memo highlights key concepts you should learn for the exam, organized by category. These are extracted from the correct answers and explanations in the question database.

Backup & Recovery 10 questions

Key Concepts to Learn:
  • V$ views reflect real-time memory data, not consistent snapshots
  • Server processes write traces (e.g., ora_s000_123.trc) to the file system
  • SPM tasks are included
  • sqlplus @script.sql works from shell scripts
  • @script runs scripts interactively
  • Metrics measure rates (e.g., IOPS, transactions/s ec)
  • Scheduler defines maintenance windows

Data Management 4 questions

No key points extracted. View study guide to review questions manually.

Database Administration 12 questions

Key Concepts to Learn:
  • New connections are blocked during shutdown
  • Inactive sessions persist until shutdown completes
  • Shutdown doesn’t roll back; recovery does
  • Standard single-instance configuration
  • replace drops and re -creates existing tables
  • Queryable like regular tables without loading

General 4 questions

Key Concepts to Learn:
  • Integrates with MOS for patches and support

Networking 10 questions

Key Concepts to Learn:
  • PMON cleans up after failed processes (e.g., releases locks)
  • PMON rolls back uncommitted transactions of failed processes
  • Listener spawns for local/remote clients
  • Local logins (e.g., sqlplus/) bypass the listener
  • Net Manager configures local tnsnames.ora
  • Must map to a connect descriptor (e.g., HOST=... PORT=1531) in tnsnames.ora

PDB Management 8 questions

No key points extracted. View study guide to review questions manually.

Performance 3 questions

Key Concepts to Learn:
  • Updates can migrate rows if space is insufficient
  • Large updates can chain rows across blocks

SQL 2 questions

No key points extracted. View study guide to review questions manually.

Security 12 questions

Key Concepts to Learn:
  • Revoking from USR2 cascades to USR3 because USR2 granted it
  • Revoking unnecessary PL/SQL access limits capabi lities
  • Tracks indirect role privileges used
  • Identifies used self-owned privileges

Tablespaces 20 questions

Key Concepts to Learn:
  • The file system must have 100G available for the datafile
  • Indexes inherit this attribute unless overridden
  • Large transactions can span multiple undo seg ments
  • Undo segments extend as needed, space permitting
  • Multiple suspensions can occur in one session
  • Privilege doesn’t prevent suspension; quota limits do
  • Grants unlimited space across all tablespaces
  • Includes table, column, index stats for plan g eneration

UNDO & REDO 9 questions

Key Concepts to Learn:
  • Multiple sessions with different users are possible
  • Session tracks login state
  • Same user can have multiple sessions (e.g., via different terminals)
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Study Tips
  • Review this memo regularly to reinforce key concepts
  • Focus on topics where you have lower accuracy scores
  • Use the full study guides for detailed explanations
  • Practice with tests after reviewing the memo
  • Print this page for offline studying