2. DATA WAREHOUSE-INFORMATICA ONLINE TRAINING
COURSE CONTENT
Course Syllabus:
Introduction to DWH
Informatica Designer
Transformations
Parameters and Variables
Caches
UNIX
Administration
Deployment
Scheduling tools
3. Introduction to DWM
Introduction to DWH
DWH purpose and usage
Decision Support system
OLTP and OLAP Systems
Normalization rules
Komball and Inmon Approaches
Dimension and Fact Tables in DWH
Different types of Dimensions and Fact Tables
Schemas
.Star and Snow Flake Schema
.Advantages and disadvantages
4. Informatica Designer
Source and Target Analyzer
Transformation Developer
Mapping and Mapplet designer
WORKING with Flat Files and Tables
5. Transformations
Each transformation scope and functionality
Usage of transformations in different situations
Interview questions on each transformation
Debugger functionality and usage
SQL Query Overrides
Purpose of the Source, Lookup and Target overrides
queries and
Advantages
Mapplets, Reusable and Shared Objects
Scope of Reusable transformations and Shared Objects
Creating Mapplets, its usage and limitations
6. Parameters and Variables
Using Mapping parameters and variables with real
time situations
Incremental Load Concepts with Parameters and
Variables
Dynamic and Static Parameter Files
7. Caches
Usage of Caches and Advantages
Static, Dynamic and Persistant ccches and uses.
Slowly Changing Dimensions (SDCs)
SCD conecpts and purpose.
Type I, TypeII and TypeIII scds implementation.
Performance Tuning
SQL override Query tuning
Improving Mapping performance
Workflow Manager
Creating sessions and Workflows
8. Creating reusable sessions and Worklets
Each task scope and functionality
Session settings for each task
workflow settings
Scheduling workflows in informatica
10. Administration
Informatica Architecture: 9.
Introduction to Architecture
Differences between 8 and 9 versions
Informatica Administration Console
Setting up different services in Informatica (Webservices,
Data Quality Services)
Strating and Stopping various services
GRID Overview and Set up
High Availability Overview and set up with GRID
Pros and Cons of HA and GRID
Adding New Liscences
11. Best Practises in cofiguring the properties in the
Admin Console
Informatica User and Permissioning setup (LDAP Set
up)
Binding user to database connections
Restricting the tools a user can use
Backing up user data and restoring it
Best Practises in Setting up multiple environements
(DEV/QA/PRD)
Assigning Groups to OS profiles
Assigning OS Profiles to Folders
Repository Back up and Restoration
Informatica Repositories & File dir structures
12. Deployment Groups
Versioning
Analysis on Failures in Integration service
Various commands (infacmd, infarep, pmcmd) available
and used
Performance Data collection
Identifying the perfomance Issues and Fixing the
bottlenecks
13. Deployment
Deployment process
Integration of the code
Pre and post deployment check points
Pre and post deployment issue fixing
Advanced Topics:
SQL Transformation purpose and usage
Pushdown Optimization Technique and Usage
Informatica 9.0 version options