Db2 11.1 Quickstart for Experienced Relational DBAs

• Describing the system platforms supported by the Db2 Family of products
• Comparing the features available with different Db2 product editions 
• Selecting the appropriate Db2 client software to support application client or server systems
• Choosing a method to install your Db2 product edition & plan migrations of existing Db2 servers to the latest release
• Comparing cloud-based Db2 options to a locally installed Db2 server

• Utilizing the Db2 Command Line Processor to run Db2 commands, SQL statements and command scripts
• Invoking the CLPPlus command line processor to connect databases and to define, edit, and run statements, scripts, and commands
• Listing some of the ways IBM Data Server Manager can be used to support Db2 database administration and SQL execution with Db2 servers 

• Specifying the key features of an instance
• Creating and dropping a Db2 instance
• Using db2start and db2stop commands to manage a Db2 instance
• Displaying and setting Db2 registry variables
• Describing and modifying the database manager configuration

• Plan the initial storage allocations for a database including catalog tables and log files
• Create a new database using Db2 native encryption
• Explore the System Catalog tables and views
• Check and update Database configuration parameter settings
• Compare DMS and Automatic Storage management for table space
• Differentiating between table spaces, containers, extents, and pages
• Create and alter table spaces
• Use Db2 commands and SQL statements to display current table space statistics and status information

• Create schemas, tables, views, aliases, and indices
• Review the use of temporary tables,
• Explore the use and implementation of check constraints, referential integrity and triggers
• Use BLU Acceleration, column-organized tables to improve analytics query performance
• Explain the difference between system-period temporal tables and Application-period temporal tables
• List the types of compression available for tables and indexes
• Use the db2look utility to export database structures for future use

• Discuss using the INSERT SQL statement to populate tables 
• Explain the differences between IMPORT and LOAD processing
• Explain the EXPORT, IMPORT, and LOAD command options
• Create and use Exception Tables and Dump-Files
• Check table status using LOAD QUERY
• Describe the ANALYZE phase of LOAD command processing used for loading BLU Acceleration, column-organized tables.  
• Check the Load Pending and Set Integrity Pending status for a table
• Use the SET INTEGRITY command
• Discuss the db2move and db2look commands
• Use the ADMIN_MOVE_TABLE procedure to move a table to different table spaces
• List some of the features of the Ingest utility for continuous data ingest

• Describing the major principles and methods for backup and recovery
• Stating the three types of recovery used by Db2
• Explaining the importance of logging for backup and recovery
• Describe how data logging takes place, including circular logging and archival logging
• Use the BACKUP, RESTORE, ROLLFORWARD and RECOVER commands
• Performing a table space backup and recovery
• Restoring a database to the end of logs or to a point-in-time
• Discuss the configuration parameters and the recovery history file and use these to handle various backup and recovery scenarios
• Create an encrypted backup image to improve data security

• Plan the use of RUNSTATS, REORGCHK and REORG utilities for maintaining database efficiency
• Configure the Db2 instance to set the location for diagnostic data and message severity levels for basic problem analysis
• Describe the methods that can be used for monitoring database and application activity including db2pd commands, Event Monitors and using SQL statements to access statistics
• Describe the function of EXPLAIN and use this facility to assist basic analysis
• Use the db2advis command to analyse a workload for potential performance improvements
• Use the db2fodc command to collect diagnostic data for a system hang

• Explaining why locking is needed
• Listing objects that can be locked
• Describing and discussing the various lock modes and their compatibility
• Explaining four different levels of data protection
• Setting isolation level and lock time out for current activity
• Explaining lock conversion and escalation
• Describe the situation that causes deadlocks
• Create a LOCKING EVENT monitor to collect lock related diagnostics
• Set database configuration options to control locking event capture

• Use Db2 access control mechanisms to implement security within the database
• Explain the tasks performed by the SYSADM user, the SECADM user and a DBADM user
• Compare the use of database roles to user groups for security
• Describe privileges required for binding and executing an application package
• Describe the difference between explicit privileges and implicit privileges
• List the methods for implementing encryption for database connections
• List the advantages of creating a Trusted Context for a three-tier application system

• Review the considerations of using standard Db2 database recovery options
• Explain the capabilities of the REBUILD option for the RESTORE command
• List the types of information included in each Db2 backup image and describe how it is used to support rebuilding a database
• Plan for supporting database and disaster recovery scenarios using Db2 database and table space backups using the RESTORE command with a REBUILD option
• Utilize LIST UTILITIES SHOW DETAIL to monitor progress of a RESTORE utility during database rebuilding

• Explain the facility of the Db2 RESTORE command to recover table spaces to different containers
• Use the SET TABLESPACE CONTAINERS command to define new containers during a redirected restore
• Utilize the SET STOGROUP PATHS command to change the storage paths for automatic storage tablespaces in storage groups
• Plan the use of redirected restore as part of a disaster recovery
• Describe two methods that can be used to convert a DMS table space to utilize Automatic Storage
• Use the GENERATE SCRIPT option of RESTORE to set up a command script for a redirected restore operation
• Copy schemas from one database to another using the TRANSPORT option of the RESTORE utility
• Use db2relocatedb when moving or copying Db2 databases with non-Db2 utilities

• Use the IBM Data Server Manager Explain tool to review access plans
• Examine access plan detailed information using the db2exfmt reports
• Create a set of Explain tables used by Visual Explain tools and db2exfmt
• Set the Explain mode special register to capture the Explain data for analysis of dynamic SQL statements
• Use the db2expln report to analyze access plans for dynamic or static SQL statements
• Utilize the Activities Event monitor to create Explain reports that include estimated and actual row counts

• Describe the Indexing options that can be used to improve performance:
• Index Only Access
• Clustered Index
• Reverse Scans
• Include Columns
• Index Freespace
• Describe the Block Indexing capability for MDC tables
• Monitor index usage using the MON_GET_INDEX function and db2pd commands
• Explain how multiple indexes can be combined using Index ORing and Dynamic Bitmap Index ANDing
• Use the Design Advisor to predict performance gains from adding new indexes or using MDC tables

• Describe the infrastructure used to support monitoring
• Configure a database to collect the activity, request and object metrics returned by the Monitoring Table functions
• Investigate current application activity that might indicate performance problems using SQL statements
• Use the Db2-provided views and functions in SQL to evaluate efficient use of database memory for locks, sorting and database buffer pools
• Check database health indicators, like log space available and table space utilization using CLP queries using Monitor functions and views

IBM created the Db2 family of data management tools, which includes database servers. Although it was originally designed to serve the relational model, it has now been expanded to include object-relational functionality as well as non-relational structures like JSON and XML.

You can realize the benefits of using Db2 Multisystem in several ways:

Query performance can be improved by running in parallel (pieces of the query are run simultaneously on different systems).

The need for data replication decreases because all of the systems can access all of the data.

Much larger database files can be accommodated.

Applications are no longer concerned with the location of remote data.

When growth is needed, you can redistribute the file across more systems, and applications can run unchanged on the new systems

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