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Overview of Data Warehousing What is Data Warehouse, Why do we need it Data War

Overview of Data Warehousing What is Data Warehouse, Why do we need it Data Warehouse Architecture and its components Define Star Schema - Fact and Dimensions Junk Dimension SCD T ype1 SCD T ype2 SCD T ype 3 Understand OLTP and OLAP System Different types of facts Dimensional T ables Fact less Fact T able Confirmed Dimensions IBM WebSphere Datastage within the IBM Information Server architecture Difference between Server Jobs and Parallel Jobs Difference between Pipeline Parallelism and Partition Parallelism Partition techniques (Round Robin, Random,Hash, Entire, Same, Modules, Range, DB2, Auto) Configuration File Difference between SMP/PMP(Cluster) Architecture Data stage components (Server components /Client components) Designer  Introduction about Designer  Repository  Palette  Type of Links  File Stages  Sequential file  Dataset file  File set  Lookup file set  Difference between Sequential file/Dataset/File set  Overview of iWay, Classic federation and netezza  Database Stages  Dynamic RDBMS  Oracle Enterprise  ODBC Enterprise  Stored Procedure Processing Stages  Change Capture  Compare Stage  Difference Stage  Aggregate Stage  Transformer Stage  Difference between basic transformer and transformer  Surrogate Generator Stage  Join Stage  Merge Stage  Lookup Stage  Difference between Join/Lookup/Merge  Difference between Join/Lookup  Remove Duplicates  Switch  Pivot  Modify  Funnel  Generic stage  Different types of sorting and sort stage.  Different types of combining and collecting techniques.  Filter  External filter  Difference between filter, External filter and switch stages.  SCD stage  Encode and decode stages  FTP stage  Adding job parameters to a job  Parameter set  Difference between partitioning and re partitioning  Run time column propagation  Schema files Debugging Stage  Head  Tail  Pea  Row Generator  Column Generator  Sample Data stage Director  Introduction to Data stage Director  Job Status View  View logs  Scheduling  Batches Creation  Cleaning resources using Administrator unix unix commands Running jobs using unix commands unix scripts which can be used in datastage unix operations to manage datastage server other unix commands useful in datastage uploads/Geographie/ ibm-websphere-round-robin-random-hash-entire-same-modules-range-db2-auto.pdf