Part 1 – Db2 Essentials
Foundation knowledge for Relational DBAs covering Db2 architecture,
deployment models, editions, tools, and instance management fundamentals.
Db2 Product & Platform Overview
- Supported OS: AIX, Linux, Windows, IBM i, z/OS
- Editions: Community, Starter, Standard, Advanced
- Understand licensing limits (cores, memory, features)
- VRMF versioning model (Version.Release.Mod.Fix)
- On-prem, Cloud, and Containerized deployment models
Db2 Tools & Connectivity
- Command Line Processor (CLP) – SQL and Db2 commands
- CLPPlus – scripting and formatted output
- Data Management Console (DMC)
- IBM Data Server Drivers (JDBC, ODBC, CLI)
- Db2 Connect for z/OS and IBM i connectivity
Db2 Instance Architecture
- Instance = Database Manager environment
- Multiple databases per instance
- DBM CFG vs DB CFG
- EDUs (Engine Dispatchable Units)
- Environment & registry variables (db2set)
Core DBA Operational Tasks
- Create / Drop instance (db2icrt, db2idrop)
- Start / Stop instance (db2start, db2stop)
- Update DBM configuration
- Quiesce and unquiesce instance
- Validate prerequisites (db2prereqcheck)
Key Takeaways
- Understand instance-level vs database-level configuration
- Choose the correct edition for workload requirements
- Use proper client connectivity for enterprise integration
- Maintain separation between environment, instance, and database scope
- Foundation knowledge determines production stability