'link' | Oracle Database 19c Administration Workshop Student Guide Pdf
Report: Oracle Database 19c Administration Workshop — Student Guide (PDF)
Legal & Ethical Ways to Obtain the Student Guide PDF
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8. Schema Objects and Data Dictionary
- Objects: tables, indexes, views, sequences, synonyms, procedures, functions, packages.
- Data dictionary views: ALL_, DBA_, USER_ prefixes (DBA_TABLES, USER_INDEXES), V$ views for instance-level.
- Example: find top 10 largest tables:
- SELECT owner, table_name, bytes/1024/1024 MB FROM dba_segments WHERE segment_type='TABLE' ORDER BY bytes DESC FETCH FIRST 10 ROWS ONLY;
2. Free Alternative: Oracle’s Official Documentation
Oracle provides comprehensive free documentation that covers the same topics as the workshop. You can create your own study notes from: background processes (SMON
- Oracle 19c Database Administrator’s Guide
https://docs.oracle.com/en/database/oracle/oracle-database/19/admin.html - 2-Day DBA Guide (great for beginners)
https://docs.oracle.com/en/database/oracle/oracle-database/19/2day.html - Administrator’s Reference for Linux/Unix/Windows
Oracle Database 19c: Administration I (Focus: Basics & Architecture)
- Exploring the Oracle Database Architecture: Memory structures (SGA, PGA), background processes (SMON, PMON, DBWn, LGWR), and logical/physical storage structures.
- Installing Oracle 19c Software: Silent installs, Oracle Home, Oracle Base, and Optimal Flexible Architecture (OFA).
- Creating a Database with DBCA: Using the Database Configuration Assistant (DBCA) for both file system and Oracle Automatic Storage Management (ASM).
- Managing Database Instances: Starting and shutting down instances, initialization parameters, and dynamic performance views (V$ views).
- Managing Storage: Tablespaces, data files, temp files, undo management.
- Managing Users & Security: Creating and maintaining user accounts, roles, privileges, and profiles.
- Implementing Auditing: Unified auditing in 19c (mandatory for multitenant).
- Concurrency & Locking: Understanding transactions, isolation levels, and deadlock detection.
- Backup & Recovery Concepts: Physical vs. logical backups, archivelog mode vs. noarchivelog mode.