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IBM Informix DBA Training  

In this course, students will learn the basic concepts of data management with Informix 12.10.  They will learn how to create, manage, and maintain tables and indexes; how the Informix Optimizer works; and how to use the SET EXPLAIN feature to determine query effectiveness.

Audience

The main audience for this course is Informix Database Administrators.  It is also appropriate for Informix System Administrators and Informix Application Developers.

Prerequisites

• Students in this course should satisfy the following prerequisites: 
• Introduction to Informix terminology and data types (or equivalent experience or knowledge)
• Knowledge of Structured Query Language (SQL) 
• Experience using basic Linux functionality

Key topics

Creating databases and tables

• Databases
• Tables
• DBSCHEMA, ONCHECK, and ONSTAT
• Sysmaster

Altering and deleting databases and tables

• ALTER
• Data space reclamation
• Renaming
• Dropping

Creating, altering, and dropping indexes

• Indexes
• Sysmaster
• Forest of trees

Managing and maintaining indexes

• Benefits and costs
• Guidelines
• Calculating size

Table and index partitioning

• Fragmentation
• Distribution schemes
• Sysmaster

Maintaining table and index partitioning

• ALTER FRAGMENT

Cost-based query optimizer

• Access plan
• Join methods
• EXPLAIN
• Scans

Updating statistics and data distributions

• UPDATE STATISTICS
• Distribution information
• Process
• Updating statistics

Managing the optimizer

• Optimization options
• Directives

Referential and entity integrity

• Integrity
• Constraints

Managing constraints

• Transaction modes
• Dropping a constraint

Modes and violations detection

• Object modes
• Disabling an object
• Recording violations
• Sysmaster

Concurrency control

• Isolation
• Locks
• Row versioning

Data security

• Levels of data security
• Privileges
• Roles

Views

• Working with views
• WITH CHECK OPTION
• Sysmaster

Introduction to stored procedures

• Stored procedures
• Sysmaster

Triggers

• Working with triggers
• Triggers and stored procedures
• Dropping a trigger
• Cursors and triggers
• Triggers and constraint checking
• Sysmaster
• Managing triggers