Db2 12 for z/OS Introduction to System Administration

Learn how to administer a Db2 12 z/OS environment

Learn the skills and knowledge needed to administer a Db2 12 for z/OS system.

Note: While class exercises are performed within a DB2 12 for z/OS environment, our expert instructors can provide guidance on all versions and their differences. 

Who Should Attend?

System Administrators, #GOATs and Database Administrators

What You’ll Learn

After completing this course, students should be able to:

• Start and stop a Db2 subsystem
• Use the SET SYSPARM command
• Access the system log to gather information about the subsystem initialization, operation, or shutdown
• Describe the components and address space structure of a Db2 subsystem
• Explain the use of RACF (or another external security program) for Db2 connection security
• Explain the use of Roles and Trusted Contexts
• Implement security procedures for a Db2 subsystem
• Explain Db2 program flow for all environments
• Explain parameter setting for the IRLM
• Invoke and utilize Db2 TSO facilities
• Use the Db2 Catalog to monitor subsystem authorizations
• Work with the Active Log data sets
• Explain Db2 logging
• Use SET LOG SUSPEND and SET LOG RESUME
• Use DSNJU004 to print log map and interpret the results
• Use DSNJU003 to rename Db2 data sets
• Plan for recovery of a BSDS failure
• Monitor and control a Db2 subsystem
• Explain transaction flow in IMS and CICS environments (optional)
• Describe the CICS and DB2 environment (optional)

Explain the difference between JDBC and SQLJ

Course Outline

Starting, stopping, and accessing Db2
• Starting Db2 as part of the z/OS IPL process
• Data set allocation and APF authorization
• The START DB2 and STOP DB2 commands
• zParms, DSNTIJUZ, and DSNZPARM
• Address spaces
• IRLM and lock storage

Db2 components and processes
• BSDS and logging
• Catalog and directory
• Program preparation and execution
• Transaction execution
• Data sharing in the sysplex

System security
• Protecting Db2 data sets
• Controlling connections to Db2
• Db2 authorization exits
• Trusted context and roles
• Securing an application server

Db2 authorization
• Authorizations
• Controlling access for dynamic and static SQL
• Access control authorization exits
• Distributed security

Program flow for all environments
• Connection types and language interfaces
• Program flow

TSO and batch environments
• TSO
• Utilities

Transaction flow in IMS and CICS (optional)
• Transaction processing
• Thread reuse
• SIGNON exit

CICS – Db2 environment (optional)
• CICS connections to Db2
• DSNC transaction

IMS – Db2 environment (optional)
• IMS-Db2 introduction
• IMS TM
• IMS/DLI batch environment

Distributed – Db2 environment
• Distributed attachment
• Location aliases
• DDF profiling
• Block fetch
• Db2 REST services

Logging
• The Db2 log
• Log commands
• Archiving considerations
• BSDS

Db2 utilities
• Categorization
• DSNJU003 and DSNJU004
• BACKUP and RESTORE SYSTEM

Operations (monitoring and controlling Db2)
• Issuing Db2 commands
• Basic workload controls
• Monitoring and controlling utilities
• DISPLAY commands
• Starting / stopping databases

Recovery
• Planning for recovery
• Table space recovery
• Log considerations
• DISPLAY and SET LOG commands
• Recovery considerations

System recover/restart
• System checkpoints
• System restart after normal shutdown
• Page externalization
• Two-phase commit processing
• System restart after system failure
• Recovery considerations

Java with Db2  (optional)
• Java

Administrative task scheduler (optional)
• Overview
• Routines
• Scheduling features
• Life cycle
• Synchronization
• Commands

Prerequisites

Participants should have the following knowledge and skills.

• Understanding of the objects (such as databases, table spaces, tables, indexes, and so forth) used in a Db2 subsystem
• Basic knowledge of SQL
• At least one year as a z/OS systems programmer or equivalent knowledge

OR

• At least one year as a Db2 for z/OS Database Administrator