- An introduction to Data Warehousing
- Purpose of Data Warehouse
- Data Warehouse Architecture
- Operational Data Store
- OLTP Vs Warehouse Applications
- Data Marts Data marts Vs Data Warehouses
- Data Warehouse Life cycle
Data
Modeling
- Introduction to Data Modeling
- Entity Relationship model (E-R model)
- Data Modeling for Data Warehouse
- Dimensions and fact tables
- Star Schema and Snowflake Schemas
ETL
Design Process
- Introduction to Extraction,
- Transformation & Loading
- Types of ETL Tools
- Key tools in the market
- Datastage Installation
- Datastage Installation
- Prerequisites to install Datastage
Installation
process
- Introduction to Datastage Version 8.1
- Datastage introduction
- IBM information Server architecture
- Datastage component
- Datastage main functions
- Client components
Datastage
Administrator
- Datastage project Administration - Editing projects and Adding Projects
- Deleting projects Cleansing up project files
- Global variable setting – Environment management
- Auto purging – Runtimes Column Propagation (RCP)
- Add checkpoints for sequencer – NLS configuration
- Generated OSH (Orchestra Engine) – System formats like data,
- Timestamp – Project protect – Version details.
Datastage
Director
- Introduction to Datastage Director – Validating Datastage Jobs
- Executing Datastage jobs – Job execution status
- Monitoring a job – Job log view – job scheduling
- Creating Batches – Scheduling batches
Datastage
Designer
- Introduction to Datastage Designer – Importance of Parallelism
- Pipeline Parallelism – Partition Parallelism
- Partitioning and collecting - Partition techniques
- Datastage Repository Palette – Passive and Active stages
- Job design overview – Designer work area
- Annotations – Creating jobs – Importing flat file definitions
- Dataset Overview
Working
with Parallel Job Stages
- Database Stages
- Oracle – Teradata – ODBC – dynamic RDBMS
File
Stages
- Sequential file – Dataset – File set – Lookup file set
Processing
Stages
- Copy – Filter – Funnel – Sort Remove duplicate
- Aggregator – Modify – Compress – Expand – Decode
- Encode – Switch – Pivot stage – Lookup
- Join – Merge – difference between look up,
- Join and merge – change capture – Change apply
- Compare – Difference – Surrogate key generator
- Transformer
Debug
Stages
- Head – Tail – Peek – Column generator
- Row generator
Real
Time Stages
- XML input – XML output, Java packs,
- Web service packs
Local
and Shared containers
Advanced
Stages in Parallel Jobs (Version 8.1)
- Range Look process – Surrogate key generator stage
- Slowly changing dimension stage – away stage
- FTP stage – Java plug in – Job performance analysis
- Resource estimation
- Slowly Changing Dimensions implementation
- Performance tuning
Job
Sequencers
- Arrange job activities in Sequencer
- Triggers in Sequencer – Restablity
- Recoverability – Notification activity
- Terminator activity
- Wait for file activity Start Look activity
- Execute Command activity – Nested Condition activity
- Exception handling activity – User Variable activity
- End Loop activity – Adding Checkpoints
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